32640640

素因数分解:

$2^7\times 5^1\times {\mathrm{51001}}^1$

素因数の和:51020

約数の個数: 32

約数和(自身を含む): 78033060

約数和(自身を除く): 45392420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 51001, 102002, 204004, 255005, 408008, 510010, 816016, 1020020, 1632032, 2040040, 3264064, 4080080, 6528128, 8160160, 16320320, 32640640]

約数ペア:

[(1, 32640640), (2, 16320320), (4, 8160160), (5, 6528128), (8, 4080080), (10, 3264064), (16, 2040040), (20, 1632032), (32, 1020020), (40, 816016), (64, 510010), (80, 408008), (128, 255005), (160, 204004), (320, 102002), (640, 51001)]