31550740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121349}}^1$

素因数の和:121371

約数の個数: 24

約数和(自身を含む): 71353800

約数和(自身を除く): 39803060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121349, 242698, 485396, 606745, 1213490, 1577537, 2426980, 3155074, 6310148, 7887685, 15775370, 31550740]

約数ペア:

[(1, 31550740), (2, 15775370), (4, 7887685), (5, 6310148), (10, 3155074), (13, 2426980), (20, 1577537), (26, 1213490), (52, 606745), (65, 485396), (130, 242698), (260, 121349)]