908080

素因数分解:

$2^4\times 5^1\times {\mathrm{11351}}^1$

素因数の和:11364

約数の個数: 20

約数和(自身を含む): 2111472

約数和(自身を除く): 1203392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11351, 22702, 45404, 56755, 90808, 113510, 181616, 227020, 454040, 908080]

約数ペア:

[(1, 908080), (2, 454040), (4, 227020), (5, 181616), (8, 113510), (10, 90808), (16, 56755), (20, 45404), (40, 22702), (80, 11351)]