31527340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121259}}^1$

素因数の和:121281

約数の個数: 24

約数和(自身を含む): 71300880

約数和(自身を除く): 39773540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121259, 242518, 485036, 606295, 1212590, 1576367, 2425180, 3152734, 6305468, 7881835, 15763670, 31527340]

約数ペア:

[(1, 31527340), (2, 15763670), (4, 7881835), (5, 6305468), (10, 3152734), (13, 2425180), (20, 1576367), (26, 1212590), (52, 606295), (65, 485036), (130, 242518), (260, 121259)]