40902100

素因数分解:

$2^2\times 5^2\times {\mathrm{409021}}^1$

素因数の和:409035

約数の個数: 18

約数和(自身を含む): 88757774

約数和(自身を除く): 47855674

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 409021, 818042, 1636084, 2045105, 4090210, 8180420, 10225525, 20451050, 40902100]

約数ペア:

[(1, 40902100), (2, 20451050), (4, 10225525), (5, 8180420), (10, 4090210), (20, 2045105), (25, 1636084), (50, 818042), (100, 409021)]