178740080

素因数分解:

$2^4\times 5^1\times {\mathrm{2234251}}^1$

素因数の和:2234264

約数の個数: 20

約数和(自身を含む): 415570872

約数和(自身を除く): 236830792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2234251, 4468502, 8937004, 11171255, 17874008, 22342510, 35748016, 44685020, 89370040, 178740080]

約数ペア:

[(1, 178740080), (2, 89370040), (4, 44685020), (5, 35748016), (8, 22342510), (10, 17874008), (16, 11171255), (20, 8937004), (40, 4468502), (80, 2234251)]