189951760

素因数分解:

$2^4\times 5^1\times {\mathrm{2374397}}^1$

素因数の和:2374410

約数の個数: 20

約数和(自身を含む): 441638028

約数和(自身を除く): 251686268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2374397, 4748794, 9497588, 11871985, 18995176, 23743970, 37990352, 47487940, 94975880, 189951760]

約数ペア:

[(1, 189951760), (2, 94975880), (4, 47487940), (5, 37990352), (8, 23743970), (10, 18995176), (16, 11871985), (20, 9497588), (40, 4748794), (80, 2374397)]