31411640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2083}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 78775200

約数和(自身を除く): 47363560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 2083, 3016, 3770, 4166, 7540, 8332, 10415, 15080, 16664, 20830, 27079, 41660, 54158, 60407, 83320, 108316, 120814, 135395, 216632, 241628, 270790, 302035, 483256, 541580, 604070, 785291, 1083160, 1208140, 1570582, 2416280, 3141164, 3926455, 6282328, 7852910, 15705820, 31411640]

約数ペア:

[(1, 31411640), (2, 15705820), (4, 7852910), (5, 6282328), (8, 3926455), (10, 3141164), (13, 2416280), (20, 1570582), (26, 1208140), (29, 1083160), (40, 785291), (52, 604070), (58, 541580), (65, 483256), (104, 302035), (116, 270790), (130, 241628), (145, 216632), (232, 135395), (260, 120814), (290, 108316), (377, 83320), (520, 60407), (580, 54158), (754, 41660), (1160, 27079), (1508, 20830), (1885, 16664), (2083, 15080), (3016, 10415), (3770, 8332), (4166, 7540)]