78136640

素因数分解:

$2^6\times 5^1\times {\mathrm{244177}}^1$

素因数の和:244194

約数の個数: 28

約数和(自身を含む): 186063636

約数和(自身を除く): 107926996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 244177, 488354, 976708, 1220885, 1953416, 2441770, 3906832, 4883540, 7813664, 9767080, 15627328, 19534160, 39068320, 78136640]

約数ペア:

[(1, 78136640), (2, 39068320), (4, 19534160), (5, 15627328), (8, 9767080), (10, 7813664), (16, 4883540), (20, 3906832), (32, 2441770), (40, 1953416), (64, 1220885), (80, 976708), (160, 488354), (320, 244177)]