78141460

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{3221}}^1$

素因数の和:4443

約数の個数: 24

約数和(自身を含む): 164283336

約数和(自身を除く): 86141876

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 3221, 4852, 6065, 6442, 12130, 12884, 16105, 24260, 32210, 64420, 3907073, 7814146, 15628292, 19535365, 39070730, 78141460]

約数ペア:

[(1, 78141460), (2, 39070730), (4, 19535365), (5, 15628292), (10, 7814146), (20, 3907073), (1213, 64420), (2426, 32210), (3221, 24260), (4852, 16105), (6065, 12884), (6442, 12130)]