40814320

素因数分解:

$2^4\times 5^1\times {\mathrm{510179}}^1$

素因数の和:510192

約数の個数: 20

約数和(自身を含む): 94893480

約数和(自身を除く): 54079160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510179, 1020358, 2040716, 2550895, 4081432, 5101790, 8162864, 10203580, 20407160, 40814320]

約数ペア:

[(1, 40814320), (2, 20407160), (4, 10203580), (5, 8162864), (8, 5101790), (10, 4081432), (16, 2550895), (20, 2040716), (40, 1020358), (80, 510179)]