7968640

素因数分解:

$2^7\times 5^1\times {\mathrm{12451}}^1$

素因数の和:12470

約数の個数: 32

約数和(自身を含む): 19051560

約数和(自身を除く): 11082920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12451, 24902, 49804, 62255, 99608, 124510, 199216, 249020, 398432, 498040, 796864, 996080, 1593728, 1992160, 3984320, 7968640]

約数ペア:

[(1, 7968640), (2, 3984320), (4, 1992160), (5, 1593728), (8, 996080), (10, 796864), (16, 498040), (20, 398432), (32, 249020), (40, 199216), (64, 124510), (80, 99608), (128, 62255), (160, 49804), (320, 24902), (640, 12451)]