40897900

素因数分解:

$2^2\times 5^2\times {\mathrm{408979}}^1$

素因数の和:408993

約数の個数: 18

約数和(自身を含む): 88748660

約数和(自身を除く): 47850760

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 408979, 817958, 1635916, 2044895, 4089790, 8179580, 10224475, 20448950, 40897900]

約数ペア:

[(1, 40897900), (2, 20448950), (4, 10224475), (5, 8179580), (10, 4089790), (20, 2044895), (25, 1635916), (50, 817958), (100, 408979)]