31157360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29959}}^1$

素因数の和:29985

約数の個数: 40

約数和(自身を含む): 78015840

約数和(自身を除く): 46858480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 29959, 59918, 119836, 149795, 239672, 299590, 389467, 479344, 599180, 778934, 1198360, 1557868, 1947335, 2396720, 3115736, 3894670, 6231472, 7789340, 15578680, 31157360]

約数ペア:

[(1, 31157360), (2, 15578680), (4, 7789340), (5, 6231472), (8, 3894670), (10, 3115736), (13, 2396720), (16, 1947335), (20, 1557868), (26, 1198360), (40, 778934), (52, 599180), (65, 479344), (80, 389467), (104, 299590), (130, 239672), (208, 149795), (260, 119836), (520, 59918), (1040, 29959)]