28112980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200807}}^1$

素因数の和:200823

約数の個数: 24

約数和(自身を含む): 67471488

約数和(自身を除く): 39358508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200807, 401614, 803228, 1004035, 1405649, 2008070, 2811298, 4016140, 5622596, 7028245, 14056490, 28112980]

約数ペア:

[(1, 28112980), (2, 14056490), (4, 7028245), (5, 5622596), (7, 4016140), (10, 2811298), (14, 2008070), (20, 1405649), (28, 1004035), (35, 803228), (70, 401614), (140, 200807)]