4080796840

素因数分解:

$2^3\times 5^1\times {\mathrm{102019921}}^1$

素因数の和:102019932

約数の個数: 16

約数和(自身を含む): 9181792980

約数和(自身を除く): 5100996140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 102019921, 204039842, 408079684, 510099605, 816159368, 1020199210, 2040398420, 4080796840]

約数ペア:

[(1, 4080796840), (2, 2040398420), (4, 1020199210), (5, 816159368), (8, 510099605), (10, 408079684), (20, 204039842), (40, 102019921)]