40405888

素因数分解:

$2^7\times {\mathrm{315671}}^1$

素因数の和:315685

約数の個数: 16

約数和(自身を含む): 80496360

約数和(自身を除く): 40090472

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 315671, 631342, 1262684, 2525368, 5050736, 10101472, 20202944, 40405888]

約数ペア:

[(1, 40405888), (2, 20202944), (4, 10101472), (8, 5050736), (16, 2525368), (32, 1262684), (64, 631342), (128, 315671)]