40137280

素因数分解:

$2^6\times 5^1\times {\mathrm{125429}}^1$

素因数の和:125446

約数の個数: 28

約数和(自身を含む): 95577660

約数和(自身を除く): 55440380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 125429, 250858, 501716, 627145, 1003432, 1254290, 2006864, 2508580, 4013728, 5017160, 8027456, 10034320, 20068640, 40137280]

約数ペア:

[(1, 40137280), (2, 20068640), (4, 10034320), (5, 8027456), (8, 5017160), (10, 4013728), (16, 2508580), (20, 2006864), (32, 1254290), (40, 1003432), (64, 627145), (80, 501716), (160, 250858), (320, 125429)]