180514960

素因数分解:

$2^4\times 5^1\times {\mathrm{2256437}}^1$

素因数の和:2256450

約数の個数: 20

約数和(自身を含む): 419697468

約数和(自身を除く): 239182508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2256437, 4512874, 9025748, 11282185, 18051496, 22564370, 36102992, 45128740, 90257480, 180514960]

約数ペア:

[(1, 180514960), (2, 90257480), (4, 45128740), (5, 36102992), (8, 22564370), (10, 18051496), (16, 11282185), (20, 9025748), (40, 4512874), (80, 2256437)]