42622840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81967}}^1$

素因数の和:81991

約数の個数: 32

約数和(自身を含む): 103279680

約数和(自身を除く): 60656840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 81967, 163934, 327868, 409835, 655736, 819670, 1065571, 1639340, 2131142, 3278680, 4262284, 5327855, 8524568, 10655710, 21311420, 42622840]

約数ペア:

[(1, 42622840), (2, 21311420), (4, 10655710), (5, 8524568), (8, 5327855), (10, 4262284), (13, 3278680), (20, 2131142), (26, 1639340), (40, 1065571), (52, 819670), (65, 655736), (104, 409835), (130, 327868), (260, 163934), (520, 81967)]