891894040

素因数分解:

$2^3\times 5^1\times {\mathrm{22297351}}^1$

素因数の和:22297362

約数の個数: 16

約数和(自身を含む): 2006761680

約数和(自身を除く): 1114867640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22297351, 44594702, 89189404, 111486755, 178378808, 222973510, 445947020, 891894040]

約数ペア:

[(1, 891894040), (2, 445947020), (4, 222973510), (5, 178378808), (8, 111486755), (10, 89189404), (20, 44594702), (40, 22297351)]