39945310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 73654272

約数和(自身を除く): 33708962

約数列:

[1, 2, 5, 10, 71, 127, 142, 254, 355, 443, 635, 710, 886, 1270, 2215, 4430, 9017, 18034, 31453, 45085, 56261, 62906, 90170, 112522, 157265, 281305, 314530, 562610, 3994531, 7989062, 19972655, 39945310]

約数ペア:

[(1, 39945310), (2, 19972655), (5, 7989062), (10, 3994531), (71, 562610), (127, 314530), (142, 281305), (254, 157265), (355, 112522), (443, 90170), (635, 62906), (710, 56261), (886, 45085), (1270, 31453), (2215, 18034), (4430, 9017)]