31130710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5569}}^1$

素因数の和:5632

約数の個数: 32

約数和(自身を含む): 61760160

約数和(自身を除く): 30629450

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5569, 5590, 11138, 27845, 55690, 72397, 144794, 239467, 361985, 478934, 723970, 1197335, 2394670, 3113071, 6226142, 15565355, 31130710]

約数ペア:

[(1, 31130710), (2, 15565355), (5, 6226142), (10, 3113071), (13, 2394670), (26, 1197335), (43, 723970), (65, 478934), (86, 361985), (130, 239467), (215, 144794), (430, 72397), (559, 55690), (1118, 27845), (2795, 11138), (5569, 5590)]