100409600420

素因数分解:

$2^2\times 5^1\times {\mathrm{5020480021}}^1$

素因数の和:5020480030

約数の個数: 12

約数和(自身を含む): 210860160924

約数和(自身を除く): 110450560504

約数列:

[1, 2, 4, 5, 10, 20, 5020480021, 10040960042, 20081920084, 25102400105, 50204800210, 100409600420]

約数ペア:

[(1, 100409600420), (2, 50204800210), (4, 25102400105), (5, 20081920084), (10, 10040960042), (20, 5020480021)]