25881136

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{10303}}^1$

素因数の和:10468

約数の個数: 20

約数和(自身を含む): 50468992

約数和(自身を除く): 24587856

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 10303, 20606, 41212, 82424, 164848, 1617571, 3235142, 6470284, 12940568, 25881136]

約数ペア:

[(1, 25881136), (2, 12940568), (4, 6470284), (8, 3235142), (16, 1617571), (157, 164848), (314, 82424), (628, 41212), (1256, 20606), (2512, 10303)]