7798960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7499}}^1$

素因数の和:7525

約数の個数: 40

約数和(自身を含む): 19530000

約数和(自身を除く): 11731040

約数列:

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

約数ペア:

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