260045120

素因数分解:

$2^6\times 5^1\times {\mathrm{812641}}^1$

素因数の和:812658

約数の個数: 28

約数和(自身を含む): 619233204

約数和(自身を除く): 359188084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 812641, 1625282, 3250564, 4063205, 6501128, 8126410, 13002256, 16252820, 26004512, 32505640, 52009024, 65011280, 130022560, 260045120]

約数ペア:

[(1, 260045120), (2, 130022560), (4, 65011280), (5, 52009024), (8, 32505640), (10, 26004512), (16, 16252820), (20, 13002256), (32, 8126410), (40, 6501128), (64, 4063205), (80, 3250564), (160, 1625282), (320, 812641)]