12657968

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{5039}}^1$

素因数の和:5204

約数の個数: 20

約数和(自身を含む): 24685920

約数和(自身を除く): 12027952

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 5039, 10078, 20156, 40312, 80624, 791123, 1582246, 3164492, 6328984, 12657968]

約数ペア:

[(1, 12657968), (2, 6328984), (4, 3164492), (8, 1582246), (16, 791123), (157, 80624), (314, 40312), (628, 20156), (1256, 10078), (2512, 5039)]