40598980

素因数分解:

$2^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1451}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 85377600

約数和(自身を除く): 44778620

約数列:

[1, 2, 4, 5, 10, 20, 1399, 1451, 2798, 2902, 5596, 5804, 6995, 7255, 13990, 14510, 27980, 29020, 2029949, 4059898, 8119796, 10149745, 20299490, 40598980]

約数ペア:

[(1, 40598980), (2, 20299490), (4, 10149745), (5, 8119796), (10, 4059898), (20, 2029949), (1399, 29020), (1451, 27980), (2798, 14510), (2902, 13990), (5596, 7255), (5804, 6995)]