519883240

素因数分解:

$2^3\times 5^1\times {\mathrm{12997081}}^1$

素因数の和:12997092

約数の個数: 16

約数和(自身を含む): 1169737380

約数和(自身を除く): 649854140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12997081, 25994162, 51988324, 64985405, 103976648, 129970810, 259941620, 519883240]

約数ペア:

[(1, 519883240), (2, 259941620), (4, 129970810), (5, 103976648), (8, 64985405), (10, 51988324), (20, 25994162), (40, 12997081)]