40389100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9851}}^1$

素因数の和:9906

約数の個数: 36

約数和(自身を含む): 89791128

約数和(自身を除く): 49402028

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 9851, 19702, 39404, 49255, 98510, 197020, 246275, 403891, 492550, 807782, 985100, 1615564, 2019455, 4038910, 8077820, 10097275, 20194550, 40389100]

約数ペア:

[(1, 40389100), (2, 20194550), (4, 10097275), (5, 8077820), (10, 4038910), (20, 2019455), (25, 1615564), (41, 985100), (50, 807782), (82, 492550), (100, 403891), (164, 246275), (205, 197020), (410, 98510), (820, 49255), (1025, 39404), (2050, 19702), (4100, 9851)]