20145802040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1\times {\mathrm{2777}}^1$

素因数の和:4801

約数の個数: 128

約数和(自身を含む): 55836466560

約数和(自身を除く): 35690664520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 1993, 2777, 3640, 3986, 5554, 7972, 9965, 11108, 13885, 13951, 15944, 19439, 19930, 22216, 25909, 27770, 27902, 36101, 38878, 39860, 51818, 55540, 55804, 69755, 72202, 77756, 79720, 97195, 103636, 111080, 111608, 129545, 139510, 144404, 155512, 180505, 181363, 194390, 207272, 252707, 259090, 279020, 288808, 361010, 362726, 388780, 505414, 518180, 558040, 722020, 725452, 777560, 906815, 1010828, 1036360, 1263535, 1444040, 1450904, 1813630, 2021656, 2527070, 3627260, 5054140, 5534561, 7254520, 10108280, 11069122, 22138244, 27672805, 38741927, 44276488, 55345610, 71949293, 77483854, 110691220, 143898586, 154967708, 193709635, 221382440, 287797172, 309935416, 359746465, 387419270, 503645051, 575594344, 719492930, 774838540, 1007290102, 1438985860, 1549677080, 2014580204, 2518225255, 2877971720, 4029160408, 5036450510, 10072901020, 20145802040]

約数ペア:

[(1, 20145802040), (2, 10072901020), (4, 5036450510), (5, 4029160408), (7, 2877971720), (8, 2518225255), (10, 2014580204), (13, 1549677080), (14, 1438985860), (20, 1007290102), (26, 774838540), (28, 719492930), (35, 575594344), (40, 503645051), (52, 387419270), (56, 359746465), (65, 309935416), (70, 287797172), (91, 221382440), (104, 193709635), (130, 154967708), (140, 143898586), (182, 110691220), (260, 77483854), (280, 71949293), (364, 55345610), (455, 44276488), (520, 38741927), (728, 27672805), (910, 22138244), (1820, 11069122), (1993, 10108280), (2777, 7254520), (3640, 5534561), (3986, 5054140), (5554, 3627260), (7972, 2527070), (9965, 2021656), (11108, 1813630), (13885, 1450904), (13951, 1444040), (15944, 1263535), (19439, 1036360), (19930, 1010828), (22216, 906815), (25909, 777560), (27770, 725452), (27902, 722020), (36101, 558040), (38878, 518180), (39860, 505414), (51818, 388780), (55540, 362726), (55804, 361010), (69755, 288808), (72202, 279020), (77756, 259090), (79720, 252707), (97195, 207272), (103636, 194390), (111080, 181363), (111608, 180505), (129545, 155512), (139510, 144404)]