7904080

素因数分解:

$2^4\times 5^1\times {\mathrm{98801}}^1$

素因数の和:98814

約数の個数: 20

約数和(自身を含む): 18377172

約数和(自身を除く): 10473092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 98801, 197602, 395204, 494005, 790408, 988010, 1580816, 1976020, 3952040, 7904080]

約数ペア:

[(1, 7904080), (2, 3952040), (4, 1976020), (5, 1580816), (8, 988010), (10, 790408), (16, 494005), (20, 395204), (40, 197602), (80, 98801)]