51061040

素因数分解:

$2^4\times 5^1\times {\mathrm{638263}}^1$

素因数の和:638276

約数の個数: 20

約数和(自身を含む): 118717104

約数和(自身を除く): 67656064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 638263, 1276526, 2553052, 3191315, 5106104, 6382630, 10212208, 12765260, 25530520, 51061040]

約数ペア:

[(1, 51061040), (2, 25530520), (4, 12765260), (5, 10212208), (8, 6382630), (10, 5106104), (16, 3191315), (20, 2553052), (40, 1276526), (80, 638263)]