31405530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80527}}^1$

素因数の和:80550

約数の個数: 32

約数和(自身を含む): 81172224

約数和(自身を除く): 49766694

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80527, 161054, 241581, 402635, 483162, 805270, 1046851, 1207905, 2093702, 2415810, 3140553, 5234255, 6281106, 10468510, 15702765, 31405530]

約数ペア:

[(1, 31405530), (2, 15702765), (3, 10468510), (5, 6281106), (6, 5234255), (10, 3140553), (13, 2415810), (15, 2093702), (26, 1207905), (30, 1046851), (39, 805270), (65, 483162), (78, 402635), (130, 241581), (195, 161054), (390, 80527)]