64005380

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{4451}}^1$

素因数の和:5179

約数の個数: 24

約数和(自身を含む): 134628480

約数和(自身を除く): 70623100

約数列:

[1, 2, 4, 5, 10, 20, 719, 1438, 2876, 3595, 4451, 7190, 8902, 14380, 17804, 22255, 44510, 89020, 3200269, 6400538, 12801076, 16001345, 32002690, 64005380]

約数ペア:

[(1, 64005380), (2, 32002690), (4, 16001345), (5, 12801076), (10, 6400538), (20, 3200269), (719, 89020), (1438, 44510), (2876, 22255), (3595, 17804), (4451, 14380), (7190, 8902)]