87101780

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{11491}}^1$

素因数の和:11879

約数の個数: 24

約数和(自身を含む): 183412320

約数和(自身を除く): 96310540

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 11491, 22982, 45964, 57455, 114910, 229820, 4355089, 8710178, 17420356, 21775445, 43550890, 87101780]

約数ペア:

[(1, 87101780), (2, 43550890), (4, 21775445), (5, 17420356), (10, 8710178), (20, 4355089), (379, 229820), (758, 114910), (1516, 57455), (1895, 45964), (3790, 22982), (7580, 11491)]