275120080

素因数分解:

$2^4\times 5^1\times {\mathrm{3439001}}^1$

素因数の和:3439014

約数の個数: 20

約数和(自身を含む): 639654372

約数和(自身を除く): 364534292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3439001, 6878002, 13756004, 17195005, 27512008, 34390010, 55024016, 68780020, 137560040, 275120080]

約数ペア:

[(1, 275120080), (2, 137560040), (4, 68780020), (5, 55024016), (8, 34390010), (10, 27512008), (16, 17195005), (20, 13756004), (40, 6878002), (80, 3439001)]