204333680

素因数分解:

$2^4\times 5^1\times {\mathrm{2554171}}^1$

素因数の和:2554184

約数の個数: 20

約数和(自身を含む): 475075992

約数和(自身を除く): 270742312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2554171, 5108342, 10216684, 12770855, 20433368, 25541710, 40866736, 51083420, 102166840, 204333680]

約数ペア:

[(1, 204333680), (2, 102166840), (4, 51083420), (5, 40866736), (8, 25541710), (10, 20433368), (16, 12770855), (20, 10216684), (40, 5108342), (80, 2554171)]