189747640

素因数分解:

$2^3\times 5^1\times {\mathrm{4743691}}^1$

素因数の和:4743702

約数の個数: 16

約数和(自身を含む): 426932280

約数和(自身を除く): 237184640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4743691, 9487382, 18974764, 23718455, 37949528, 47436910, 94873820, 189747640]

約数ペア:

[(1, 189747640), (2, 94873820), (4, 47436910), (5, 37949528), (8, 23718455), (10, 18974764), (20, 9487382), (40, 4743691)]