4080796520

素因数分解:

$2^3\times 5^1\times {\mathrm{102019913}}^1$

素因数の和:102019924

約数の個数: 16

約数和(自身を含む): 9181792260

約数和(自身を除く): 5100995740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 102019913, 204039826, 408079652, 510099565, 816159304, 1020199130, 2040398260, 4080796520]

約数ペア:

[(1, 4080796520), (2, 2040398260), (4, 1020199130), (5, 816159304), (8, 510099565), (10, 408079652), (20, 204039826), (40, 102019913)]