25559480

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1123}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 57661200

約数和(自身を除く): 32101720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1123, 1138, 2246, 2276, 2845, 4492, 4552, 5615, 5690, 8984, 11230, 11380, 22460, 22760, 44920, 638987, 1277974, 2555948, 3194935, 5111896, 6389870, 12779740, 25559480]

約数ペア:

[(1, 25559480), (2, 12779740), (4, 6389870), (5, 5111896), (8, 3194935), (10, 2555948), (20, 1277974), (40, 638987), (569, 44920), (1123, 22760), (1138, 22460), (2246, 11380), (2276, 11230), (2845, 8984), (4492, 5690), (4552, 5615)]