79200080

素因数分解:

$2^4\times 5^1\times {\mathrm{990001}}^1$

素因数の和:990014

約数の個数: 20

約数和(自身を含む): 184140372

約数和(自身を除く): 104940292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 990001, 1980002, 3960004, 4950005, 7920008, 9900010, 15840016, 19800020, 39600040, 79200080]

約数ペア:

[(1, 79200080), (2, 39600040), (4, 19800020), (5, 15840016), (8, 9900010), (10, 7920008), (16, 4950005), (20, 3960004), (40, 1980002), (80, 990001)]