520064180

素因数分解:

$2^2\times 5^1\times {\mathrm{2887}}^1\times {\mathrm{9007}}^1$

素因数の和:11903

約数の個数: 24

約数和(自身を含む): 1092634368

約数和(自身を除く): 572570188

約数列:

[1, 2, 4, 5, 10, 20, 2887, 5774, 9007, 11548, 14435, 18014, 28870, 36028, 45035, 57740, 90070, 180140, 26003209, 52006418, 104012836, 130016045, 260032090, 520064180]

約数ペア:

[(1, 520064180), (2, 260032090), (4, 130016045), (5, 104012836), (10, 52006418), (20, 26003209), (2887, 180140), (5774, 90070), (9007, 57740), (11548, 45035), (14435, 36028), (18014, 28870)]