128545790

素因数分解:

$2^1\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{5099}}^1$

素因数の和:7627

約数の個数: 16

約数和(自身を含む): 231519600

約数和(自身を除く): 102973810

約数列:

[1, 2, 5, 10, 2521, 5042, 5099, 10198, 12605, 25210, 25495, 50990, 12854579, 25709158, 64272895, 128545790]

約数ペア:

[(1, 128545790), (2, 64272895), (5, 25709158), (10, 12854579), (2521, 50990), (5042, 25495), (5099, 25210), (10198, 12605)]