204391760

素因数分解:

$2^4\times 5^1\times {\mathrm{2554897}}^1$

素因数の和:2554910

約数の個数: 20

約数和(自身を含む): 475211028

約数和(自身を除く): 270819268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2554897, 5109794, 10219588, 12774485, 20439176, 25548970, 40878352, 51097940, 102195880, 204391760]

約数ペア:

[(1, 204391760), (2, 102195880), (4, 51097940), (5, 40878352), (8, 25548970), (10, 20439176), (16, 12774485), (20, 10219588), (40, 5109794), (80, 2554897)]