20125971290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{81551}}^1$

素因数の和:81647

約数の個数: 64

約数和(自身を含む): 40162728960

約数和(自身を除く): 20036757670

約数列:

[1, 2, 5, 10, 23, 29, 37, 46, 58, 74, 115, 145, 185, 230, 290, 370, 667, 851, 1073, 1334, 1702, 2146, 3335, 4255, 5365, 6670, 8510, 10730, 24679, 49358, 81551, 123395, 163102, 246790, 407755, 815510, 1875673, 2364979, 3017387, 3751346, 4729958, 6034774, 9378365, 11824895, 15086935, 18756730, 23649790, 30173870, 54394517, 69399901, 87504223, 108789034, 138799802, 175008446, 271972585, 346999505, 437521115, 543945170, 693999010, 875042230, 2012597129, 4025194258, 10062985645, 20125971290]

約数ペア:

[(1, 20125971290), (2, 10062985645), (5, 4025194258), (10, 2012597129), (23, 875042230), (29, 693999010), (37, 543945170), (46, 437521115), (58, 346999505), (74, 271972585), (115, 175008446), (145, 138799802), (185, 108789034), (230, 87504223), (290, 69399901), (370, 54394517), (667, 30173870), (851, 23649790), (1073, 18756730), (1334, 15086935), (1702, 11824895), (2146, 9378365), (3335, 6034774), (4255, 4729958), (5365, 3751346), (6670, 3017387), (8510, 2364979), (10730, 1875673), (24679, 815510), (49358, 407755), (81551, 246790), (123395, 163102)]