2582840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4967}}^1$

素因数の和:4991

約数の個数: 32

約数和(自身を含む): 6259680

約数和(自身を除く): 3676840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4967, 9934, 19868, 24835, 39736, 49670, 64571, 99340, 129142, 198680, 258284, 322855, 516568, 645710, 1291420, 2582840]

約数ペア:

[(1, 2582840), (2, 1291420), (4, 645710), (5, 516568), (8, 322855), (10, 258284), (13, 198680), (20, 129142), (26, 99340), (40, 64571), (52, 49670), (65, 39736), (104, 24835), (130, 19868), (260, 9934), (520, 4967)]