388332080

素因数分解:

$2^4\times 5^1\times {\mathrm{4854151}}^1$

素因数の和:4854164

約数の個数: 20

約数和(自身を含む): 902872272

約数和(自身を除く): 514540192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4854151, 9708302, 19416604, 24270755, 38833208, 48541510, 77666416, 97083020, 194166040, 388332080]

約数ペア:

[(1, 388332080), (2, 194166040), (4, 97083020), (5, 77666416), (8, 48541510), (10, 38833208), (16, 24270755), (20, 19416604), (40, 9708302), (80, 4854151)]