87888140

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{6491}}^1$

素因数の和:7177

約数の個数: 24

約数和(自身を含む): 184866192

約数和(自身を除く): 96978052

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 2708, 3385, 6491, 6770, 12982, 13540, 25964, 32455, 64910, 129820, 4394407, 8788814, 17577628, 21972035, 43944070, 87888140]

約数ペア:

[(1, 87888140), (2, 43944070), (4, 21972035), (5, 17577628), (10, 8788814), (20, 4394407), (677, 129820), (1354, 64910), (2708, 32455), (3385, 25964), (6491, 13540), (6770, 12982)]