521012920

素因数分解:

$2^3\times 5^1\times {\mathrm{2459}}^1\times {\mathrm{5297}}^1$

素因数の和:7767

約数の個数: 32

約数和(自身を含む): 1172977200

約数和(自身を除く): 651964280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2459, 4918, 5297, 9836, 10594, 12295, 19672, 21188, 24590, 26485, 42376, 49180, 52970, 98360, 105940, 211880, 13025323, 26050646, 52101292, 65126615, 104202584, 130253230, 260506460, 521012920]

約数ペア:

[(1, 521012920), (2, 260506460), (4, 130253230), (5, 104202584), (8, 65126615), (10, 52101292), (20, 26050646), (40, 13025323), (2459, 211880), (4918, 105940), (5297, 98360), (9836, 52970), (10594, 49180), (12295, 42376), (19672, 26485), (21188, 24590)]