520068770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{307733}}^1$

素因数の和:307766

約数の個数: 24

約数和(自身を含む): 1013675796

約数和(自身を除く): 493607026

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 307733, 615466, 1538665, 3077330, 4000529, 8001058, 20002645, 40005290, 52006877, 104013754, 260034385, 520068770]

約数ペア:

[(1, 520068770), (2, 260034385), (5, 104013754), (10, 52006877), (13, 40005290), (26, 20002645), (65, 8001058), (130, 4000529), (169, 3077330), (338, 1538665), (845, 615466), (1690, 307733)]