39905020

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1877}}^1$

素因数の和:2949

約数の個数: 24

約数和(自身を含む): 83924064

約数和(自身を除く): 44019044

約数列:

[1, 2, 4, 5, 10, 20, 1063, 1877, 2126, 3754, 4252, 5315, 7508, 9385, 10630, 18770, 21260, 37540, 1995251, 3990502, 7981004, 9976255, 19952510, 39905020]

約数ペア:

[(1, 39905020), (2, 19952510), (4, 9976255), (5, 7981004), (10, 3990502), (20, 1995251), (1063, 37540), (1877, 21260), (2126, 18770), (3754, 10630), (4252, 9385), (5315, 7508)]