80070294520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1\times {\mathrm{27701}}^1$

素因数の和:28408

約数の個数: 64

約数和(自身を含む): 181902412800

約数和(自身を除く): 101832118280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 569, 635, 1016, 1138, 1270, 2276, 2540, 2845, 4552, 5080, 5690, 11380, 22760, 27701, 55402, 72263, 110804, 138505, 144526, 221608, 277010, 289052, 361315, 554020, 578104, 722630, 1108040, 1445260, 2890520, 3518027, 7036054, 14072108, 15761869, 17590135, 28144216, 31523738, 35180270, 63047476, 70360540, 78809345, 126094952, 140721080, 157618690, 315237380, 630474760, 2001757363, 4003514726, 8007029452, 10008786815, 16014058904, 20017573630, 40035147260, 80070294520]

約数ペア:

[(1, 80070294520), (2, 40035147260), (4, 20017573630), (5, 16014058904), (8, 10008786815), (10, 8007029452), (20, 4003514726), (40, 2001757363), (127, 630474760), (254, 315237380), (508, 157618690), (569, 140721080), (635, 126094952), (1016, 78809345), (1138, 70360540), (1270, 63047476), (2276, 35180270), (2540, 31523738), (2845, 28144216), (4552, 17590135), (5080, 15761869), (5690, 14072108), (11380, 7036054), (22760, 3518027), (27701, 2890520), (55402, 1445260), (72263, 1108040), (110804, 722630), (138505, 578104), (144526, 554020), (221608, 361315), (277010, 289052)]