79761890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21157}}^1$

素因数の和:21206

約数の個数: 32

約数和(自身を含む): 159954480

約数和(自身を除く): 80192590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 21157, 42314, 105785, 211570, 275041, 550082, 613553, 1227106, 1375205, 2750410, 3067765, 6135530, 7976189, 15952378, 39880945, 79761890]

約数ペア:

[(1, 79761890), (2, 39880945), (5, 15952378), (10, 7976189), (13, 6135530), (26, 3067765), (29, 2750410), (58, 1375205), (65, 1227106), (130, 613553), (145, 550082), (290, 275041), (377, 211570), (754, 105785), (1885, 42314), (3770, 21157)]