31195840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7499}}^1$

素因数の和:7529

約数の個数: 56

約数和(自身を含む): 80010000

約数和(自身を除く): 48814160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 7499, 14998, 29996, 37495, 59992, 74990, 97487, 119984, 149980, 194974, 239968, 299960, 389948, 479936, 487435, 599920, 779896, 974870, 1199840, 1559792, 1949740, 2399680, 3119584, 3899480, 6239168, 7798960, 15597920, 31195840]

約数ペア:

[(1, 31195840), (2, 15597920), (4, 7798960), (5, 6239168), (8, 3899480), (10, 3119584), (13, 2399680), (16, 1949740), (20, 1559792), (26, 1199840), (32, 974870), (40, 779896), (52, 599920), (64, 487435), (65, 479936), (80, 389948), (104, 299960), (130, 239968), (160, 194974), (208, 149980), (260, 119984), (320, 97487), (416, 74990), (520, 59992), (832, 37495), (1040, 29996), (2080, 14998), (4160, 7499)]