204691880

素因数分解:

$2^3\times 5^1\times {\mathrm{5117297}}^1$

素因数の和:5117308

約数の個数: 16

約数和(自身を含む): 460556820

約数和(自身を除く): 255864940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5117297, 10234594, 20469188, 25586485, 40938376, 51172970, 102345940, 204691880]

約数ペア:

[(1, 204691880), (2, 102345940), (4, 51172970), (5, 40938376), (8, 25586485), (10, 20469188), (20, 10234594), (40, 5117297)]