520039700

素因数分解:

$2^2\times 5^2\times {\mathrm{5200397}}^1$

素因数の和:5200411

約数の個数: 18

約数和(自身を含む): 1128486366

約数和(自身を除く): 608446666

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 5200397, 10400794, 20801588, 26001985, 52003970, 104007940, 130009925, 260019850, 520039700]

約数ペア:

[(1, 520039700), (2, 260019850), (4, 130009925), (5, 104007940), (10, 52003970), (20, 26001985), (25, 20801588), (50, 10400794), (100, 5200397)]