22320080

素因数分解:

$2^4\times 5^1\times {\mathrm{279001}}^1$

素因数の和:279014

約数の個数: 20

約数和(自身を含む): 51894372

約数和(自身を除く): 29574292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 279001, 558002, 1116004, 1395005, 2232008, 2790010, 4464016, 5580020, 11160040, 22320080]

約数ペア:

[(1, 22320080), (2, 11160040), (4, 5580020), (5, 4464016), (8, 2790010), (10, 2232008), (16, 1395005), (20, 1116004), (40, 558002), (80, 279001)]