20886677800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:636

約数の個数: 192

約数和(自身を含む): 51582412800

約数和(自身を除く): 30695735000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 47, 50, 62, 94, 100, 124, 155, 188, 200, 229, 235, 248, 310, 313, 376, 458, 470, 620, 626, 775, 916, 940, 1145, 1175, 1240, 1252, 1457, 1550, 1565, 1832, 1880, 2290, 2350, 2504, 2914, 3100, 3130, 4580, 4700, 5725, 5828, 6200, 6260, 7099, 7285, 7825, 9160, 9400, 9703, 10763, 11450, 11656, 12520, 14198, 14570, 14711, 15650, 19406, 21526, 22900, 28396, 29140, 29422, 31300, 35495, 36425, 38812, 43052, 45800, 48515, 53815, 56792, 58280, 58844, 62600, 70990, 71677, 72850, 73555, 77624, 86104, 97030, 107630, 117688, 141980, 143354, 145700, 147110, 177475, 194060, 215260, 242575, 269075, 283960, 286708, 291400, 294220, 333653, 354950, 358385, 367775, 388120, 430520, 456041, 485150, 538150, 573416, 588440, 667306, 709900, 716770, 735550, 912082, 970300, 1076300, 1334612, 1419800, 1433540, 1471100, 1668265, 1791925, 1824164, 1940600, 2152600, 2221987, 2280205, 2669224, 2867080, 2942200, 3336530, 3368819, 3583850, 3648328, 4443974, 4560410, 6673060, 6737638, 7167700, 8341325, 8887948, 9120820, 11109935, 11401025, 13346120, 13475276, 14335400, 16682650, 16844095, 17775896, 18241640, 22219870, 22802050, 26950552, 33365300, 33688190, 44439740, 45604100, 55549675, 66730600, 67376380, 84220475, 88879480, 91208200, 104433389, 111099350, 134752760, 168440950, 208866778, 222198700, 336881900, 417733556, 444397400, 522166945, 673763800, 835467112, 1044333890, 2088667780, 2610834725, 4177335560, 5221669450, 10443338900, 20886677800]

約数ペア:

[(1, 20886677800), (2, 10443338900), (4, 5221669450), (5, 4177335560), (8, 2610834725), (10, 2088667780), (20, 1044333890), (25, 835467112), (31, 673763800), (40, 522166945), (47, 444397400), (50, 417733556), (62, 336881900), (94, 222198700), (100, 208866778), (124, 168440950), (155, 134752760), (188, 111099350), (200, 104433389), (229, 91208200), (235, 88879480), (248, 84220475), (310, 67376380), (313, 66730600), (376, 55549675), (458, 45604100), (470, 44439740), (620, 33688190), (626, 33365300), (775, 26950552), (916, 22802050), (940, 22219870), (1145, 18241640), (1175, 17775896), (1240, 16844095), (1252, 16682650), (1457, 14335400), (1550, 13475276), (1565, 13346120), (1832, 11401025), (1880, 11109935), (2290, 9120820), (2350, 8887948), (2504, 8341325), (2914, 7167700), (3100, 6737638), (3130, 6673060), (4580, 4560410), (4700, 4443974), (5725, 3648328), (5828, 3583850), (6200, 3368819), (6260, 3336530), (7099, 2942200), (7285, 2867080), (7825, 2669224), (9160, 2280205), (9400, 2221987), (9703, 2152600), (10763, 1940600), (11450, 1824164), (11656, 1791925), (12520, 1668265), (14198, 1471100), (14570, 1433540), (14711, 1419800), (15650, 1334612), (19406, 1076300), (21526, 970300), (22900, 912082), (28396, 735550), (29140, 716770), (29422, 709900), (31300, 667306), (35495, 588440), (36425, 573416), (38812, 538150), (43052, 485150), (45800, 456041), (48515, 430520), (53815, 388120), (56792, 367775), (58280, 358385), (58844, 354950), (62600, 333653), (70990, 294220), (71677, 291400), (72850, 286708), (73555, 283960), (77624, 269075), (86104, 242575), (97030, 215260), (107630, 194060), (117688, 177475), (141980, 147110), (143354, 145700)]