39200080

素因数分解:

$2^4\times 5^1\times {\mathrm{490001}}^1$

素因数の和:490014

約数の個数: 20

約数和(自身を含む): 91140372

約数和(自身を除く): 51940292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490001, 980002, 1960004, 2450005, 3920008, 4900010, 7840016, 9800020, 19600040, 39200080]

約数ペア:

[(1, 39200080), (2, 19600040), (4, 9800020), (5, 7840016), (8, 4900010), (10, 3920008), (16, 2450005), (20, 1960004), (40, 980002), (80, 490001)]