40908100

素因数分解:

$2^2\times 5^2\times {\mathrm{409081}}^1$

素因数の和:409095

約数の個数: 18

約数和(自身を含む): 88770794

約数和(自身を除く): 47862694

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 409081, 818162, 1636324, 2045405, 4090810, 8181620, 10227025, 20454050, 40908100]

約数ペア:

[(1, 40908100), (2, 20454050), (4, 10227025), (5, 8181620), (10, 4090810), (20, 2045405), (25, 1636324), (50, 818162), (100, 409081)]