31057520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29863}}^1$

素因数の和:29889

約数の個数: 40

約数和(自身を含む): 77765856

約数和(自身を除く): 46708336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 29863, 59726, 119452, 149315, 238904, 298630, 388219, 477808, 597260, 776438, 1194520, 1552876, 1941095, 2389040, 3105752, 3882190, 6211504, 7764380, 15528760, 31057520]

約数ペア:

[(1, 31057520), (2, 15528760), (4, 7764380), (5, 6211504), (8, 3882190), (10, 3105752), (13, 2389040), (16, 1941095), (20, 1552876), (26, 1194520), (40, 776438), (52, 597260), (65, 477808), (80, 388219), (104, 298630), (130, 238904), (208, 149315), (260, 119452), (520, 59726), (1040, 29863)]