64719110

素因数分解:

$2^1\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{2549}}^1$

素因数の和:5095

約数の個数: 16

約数和(自身を含む): 116586000

約数和(自身を除く): 51866890

約数列:

[1, 2, 5, 10, 2539, 2549, 5078, 5098, 12695, 12745, 25390, 25490, 6471911, 12943822, 32359555, 64719110]

約数ペア:

[(1, 64719110), (2, 32359555), (5, 12943822), (10, 6471911), (2539, 25490), (2549, 25390), (5078, 12745), (5098, 12695)]