31297820

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{4129}}^1$

素因数の和:4517

約数の個数: 24

約数和(自身を含む): 65914800

約数和(自身を除く): 34616980

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 4129, 7580, 8258, 16516, 20645, 41290, 82580, 1564891, 3129782, 6259564, 7824455, 15648910, 31297820]

約数ペア:

[(1, 31297820), (2, 15648910), (4, 7824455), (5, 6259564), (10, 3129782), (20, 1564891), (379, 82580), (758, 41290), (1516, 20645), (1895, 16516), (3790, 8258), (4129, 7580)]