20211002500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:444

約数の個数: 240

約数和(自身を含む): 50935732848

約数和(自身を除く): 30724730348

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 125, 130, 157, 170, 221, 233, 250, 260, 314, 325, 340, 425, 442, 466, 500, 625, 628, 650, 785, 850, 884, 932, 1105, 1165, 1250, 1300, 1570, 1625, 1700, 2041, 2125, 2210, 2330, 2500, 2669, 3029, 3140, 3250, 3925, 3961, 4082, 4250, 4420, 4660, 5338, 5525, 5825, 6058, 6500, 7850, 7922, 8125, 8164, 8500, 10205, 10625, 10676, 11050, 11650, 12116, 13345, 15145, 15700, 15844, 16250, 19625, 19805, 20410, 21250, 22100, 23300, 26690, 27625, 29125, 30290, 32500, 34697, 36581, 39250, 39610, 40820, 42500, 51025, 51493, 53380, 55250, 58250, 60580, 66725, 69394, 73162, 75725, 78500, 79220, 98125, 99025, 102050, 102986, 110500, 116500, 133450, 138125, 138788, 145625, 146324, 151450, 173485, 182905, 196250, 198050, 204100, 205972, 255125, 257465, 266900, 276250, 291250, 302900, 333625, 346970, 365810, 378625, 392500, 396100, 475553, 495125, 510250, 514930, 552500, 582500, 621877, 667250, 693940, 731620, 757250, 867425, 914525, 951106, 990250, 1020500, 1029860, 1243754, 1275625, 1287325, 1334500, 1514500, 1668125, 1734850, 1829050, 1893125, 1902212, 1980500, 2377765, 2475625, 2487508, 2551250, 2574650, 3109385, 3336250, 3469700, 3658100, 3786250, 4337125, 4572625, 4755530, 4951250, 5102500, 5149300, 6218770, 6436625, 6672500, 7572500, 8084401, 8674250, 9145250, 9511060, 9902500, 11888825, 12437540, 12873250, 15546925, 16168802, 17348500, 18290500, 21685625, 22863125, 23777650, 25746500, 31093850, 32183125, 32337604, 40422005, 43371250, 45726250, 47555300, 59444125, 62187700, 64366250, 77734625, 80844010, 86742500, 91452500, 118888250, 128732500, 155469250, 161688020, 202110025, 237776500, 297220625, 310938500, 388673125, 404220050, 594441250, 777346250, 808440100, 1010550125, 1188882500, 1554692500, 2021100250, 4042200500, 5052750625, 10105501250, 20211002500]

約数ペア:

[(1, 20211002500), (2, 10105501250), (4, 5052750625), (5, 4042200500), (10, 2021100250), (13, 1554692500), (17, 1188882500), (20, 1010550125), (25, 808440100), (26, 777346250), (34, 594441250), (50, 404220050), (52, 388673125), (65, 310938500), (68, 297220625), (85, 237776500), (100, 202110025), (125, 161688020), (130, 155469250), (157, 128732500), (170, 118888250), (221, 91452500), (233, 86742500), (250, 80844010), (260, 77734625), (314, 64366250), (325, 62187700), (340, 59444125), (425, 47555300), (442, 45726250), (466, 43371250), (500, 40422005), (625, 32337604), (628, 32183125), (650, 31093850), (785, 25746500), (850, 23777650), (884, 22863125), (932, 21685625), (1105, 18290500), (1165, 17348500), (1250, 16168802), (1300, 15546925), (1570, 12873250), (1625, 12437540), (1700, 11888825), (2041, 9902500), (2125, 9511060), (2210, 9145250), (2330, 8674250), (2500, 8084401), (2669, 7572500), (3029, 6672500), (3140, 6436625), (3250, 6218770), (3925, 5149300), (3961, 5102500), (4082, 4951250), (4250, 4755530), (4420, 4572625), (4660, 4337125), (5338, 3786250), (5525, 3658100), (5825, 3469700), (6058, 3336250), (6500, 3109385), (7850, 2574650), (7922, 2551250), (8125, 2487508), (8164, 2475625), (8500, 2377765), (10205, 1980500), (10625, 1902212), (10676, 1893125), (11050, 1829050), (11650, 1734850), (12116, 1668125), (13345, 1514500), (15145, 1334500), (15700, 1287325), (15844, 1275625), (16250, 1243754), (19625, 1029860), (19805, 1020500), (20410, 990250), (21250, 951106), (22100, 914525), (23300, 867425), (26690, 757250), (27625, 731620), (29125, 693940), (30290, 667250), (32500, 621877), (34697, 582500), (36581, 552500), (39250, 514930), (39610, 510250), (40820, 495125), (42500, 475553), (51025, 396100), (51493, 392500), (53380, 378625), (55250, 365810), (58250, 346970), (60580, 333625), (66725, 302900), (69394, 291250), (73162, 276250), (75725, 266900), (78500, 257465), (79220, 255125), (98125, 205972), (99025, 204100), (102050, 198050), (102986, 196250), (110500, 182905), (116500, 173485), (133450, 151450), (138125, 146324), (138788, 145625)]