38997800

素因数分解:

$2^3\times 5^2\times {\mathrm{194989}}^1$

素因数の和:195005

約数の個数: 24

約数和(自身を含む): 90670350

約数和(自身を除く): 51672550

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 194989, 389978, 779956, 974945, 1559912, 1949890, 3899780, 4874725, 7799560, 9749450, 19498900, 38997800]

約数ペア:

[(1, 38997800), (2, 19498900), (4, 9749450), (5, 7799560), (8, 4874725), (10, 3899780), (20, 1949890), (25, 1559912), (40, 974945), (50, 779956), (100, 389978), (200, 194989)]