31805800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{941}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 80159490

約数和(自身を除く): 48353690

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 650, 676, 845, 941, 1300, 1352, 1690, 1882, 2600, 3380, 3764, 4225, 4705, 6760, 7528, 8450, 9410, 12233, 16900, 18820, 23525, 24466, 33800, 37640, 47050, 48932, 61165, 94100, 97864, 122330, 159029, 188200, 244660, 305825, 318058, 489320, 611650, 636116, 795145, 1223300, 1272232, 1590290, 2446600, 3180580, 3975725, 6361160, 7951450, 15902900, 31805800]

約数ペア:

[(1, 31805800), (2, 15902900), (4, 7951450), (5, 6361160), (8, 3975725), (10, 3180580), (13, 2446600), (20, 1590290), (25, 1272232), (26, 1223300), (40, 795145), (50, 636116), (52, 611650), (65, 489320), (100, 318058), (104, 305825), (130, 244660), (169, 188200), (200, 159029), (260, 122330), (325, 97864), (338, 94100), (520, 61165), (650, 48932), (676, 47050), (845, 37640), (941, 33800), (1300, 24466), (1352, 23525), (1690, 18820), (1882, 16900), (2600, 12233), (3380, 9410), (3764, 8450), (4225, 7528), (4705, 6760)]