3990740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15349}}^1$

素因数の和:15371

約数の個数: 24

約数和(自身を含む): 9025800

約数和(自身を除く): 5035060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15349, 30698, 61396, 76745, 153490, 199537, 306980, 399074, 798148, 997685, 1995370, 3990740]

約数ペア:

[(1, 3990740), (2, 1995370), (4, 997685), (5, 798148), (10, 399074), (13, 306980), (20, 199537), (26, 153490), (52, 76745), (65, 61396), (130, 30698), (260, 15349)]