189957640

素因数分解:

$2^3\times 5^1\times {\mathrm{4748941}}^1$

素因数の和:4748952

約数の個数: 16

約数和(自身を含む): 427404780

約数和(自身を除く): 237447140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4748941, 9497882, 18995764, 23744705, 37991528, 47489410, 94978820, 189957640]

約数ペア:

[(1, 189957640), (2, 94978820), (4, 47489410), (5, 37991528), (8, 23744705), (10, 18995764), (20, 9497882), (40, 4748941)]