66741140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107647}}^1$

素因数の和:107687

約数の個数: 24

約数和(自身を含む): 144678912

約数和(自身を除く): 77937772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 107647, 215294, 430588, 538235, 1076470, 2152940, 3337057, 6674114, 13348228, 16685285, 33370570, 66741140]

約数ペア:

[(1, 66741140), (2, 33370570), (4, 16685285), (5, 13348228), (10, 6674114), (20, 3337057), (31, 2152940), (62, 1076470), (124, 538235), (155, 430588), (310, 215294), (620, 107647)]