40974890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2081}}^1$

素因数の和:2278

約数の個数: 32

約数和(自身を含む): 80948160

約数和(自身を除く): 39973270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 358, 895, 1790, 1969, 2081, 3938, 4162, 9845, 10405, 19690, 20810, 22891, 45782, 114455, 228910, 372499, 744998, 1862495, 3724990, 4097489, 8194978, 20487445, 40974890]

約数ペア:

[(1, 40974890), (2, 20487445), (5, 8194978), (10, 4097489), (11, 3724990), (22, 1862495), (55, 744998), (110, 372499), (179, 228910), (358, 114455), (895, 45782), (1790, 22891), (1969, 20810), (2081, 19690), (3938, 10405), (4162, 9845)]