40871140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16091}}^1$

素因数の和:16227

約数の個数: 24

約数和(自身を含む): 86510592

約数和(自身を除く): 45639452

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 16091, 32182, 64364, 80455, 160910, 321820, 2043557, 4087114, 8174228, 10217785, 20435570, 40871140]

約数ペア:

[(1, 40871140), (2, 20435570), (4, 10217785), (5, 8174228), (10, 4087114), (20, 2043557), (127, 321820), (254, 160910), (508, 80455), (635, 64364), (1270, 32182), (2540, 16091)]