317589040

素因数分解:

$2^4\times 5^1\times {\mathrm{3969863}}^1$

素因数の和:3969876

約数の個数: 20

約数和(自身を含む): 738394704

約数和(自身を除く): 420805664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3969863, 7939726, 15879452, 19849315, 31758904, 39698630, 63517808, 79397260, 158794520, 317589040]

約数ペア:

[(1, 317589040), (2, 158794520), (4, 79397260), (5, 63517808), (8, 39698630), (10, 31758904), (16, 19849315), (20, 15879452), (40, 7939726), (80, 3969863)]