15597920

素因数分解:

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

素因数の和:7527

約数の個数: 48

約数和(自身を含む): 39690000

約数和(自身を除く): 24092080

約数列:

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

約数ペア:

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