31131080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2693}}^1$

素因数の和:2738

約数の個数: 48

約数和(自身を含む): 74435220

約数和(自身を除く): 43304140

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2693, 2890, 5386, 5780, 10772, 11560, 13465, 21544, 26930, 45781, 53860, 91562, 107720, 183124, 228905, 366248, 457810, 778277, 915620, 1556554, 1831240, 3113108, 3891385, 6226216, 7782770, 15565540, 31131080]

約数ペア:

[(1, 31131080), (2, 15565540), (4, 7782770), (5, 6226216), (8, 3891385), (10, 3113108), (17, 1831240), (20, 1556554), (34, 915620), (40, 778277), (68, 457810), (85, 366248), (136, 228905), (170, 183124), (289, 107720), (340, 91562), (578, 53860), (680, 45781), (1156, 26930), (1445, 21544), (2312, 13465), (2693, 11560), (2890, 10772), (5386, 5780)]