13305781040

素因数分解:

$2^4\times 5^1\times {\mathrm{166322263}}^1$

素因数の和:166322276

約数の個数: 20

約数和(自身を含む): 30935941104

約数和(自身を除く): 17630160064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 166322263, 332644526, 665289052, 831611315, 1330578104, 1663222630, 2661156208, 3326445260, 6652890520, 13305781040]

約数ペア:

[(1, 13305781040), (2, 6652890520), (4, 3326445260), (5, 2661156208), (8, 1663222630), (10, 1330578104), (16, 831611315), (20, 665289052), (40, 332644526), (80, 166322263)]