85961140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138647}}^1$

素因数の和:138687

約数の個数: 24

約数和(自身を含む): 186342912

約数和(自身を除く): 100381772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 138647, 277294, 554588, 693235, 1386470, 2772940, 4298057, 8596114, 17192228, 21490285, 42980570, 85961140]

約数ペア:

[(1, 85961140), (2, 42980570), (4, 21490285), (5, 17192228), (10, 8596114), (20, 4298057), (31, 2772940), (62, 1386470), (124, 693235), (155, 554588), (310, 277294), (620, 138647)]