2247321680

素因数分解:

$2^4\times 5^1\times {\mathrm{28091521}}^1$

素因数の和:28091534

約数の個数: 20

約数和(自身を含む): 5225023092

約数和(自身を除く): 2977701412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 28091521, 56183042, 112366084, 140457605, 224732168, 280915210, 449464336, 561830420, 1123660840, 2247321680]

約数ペア:

[(1, 2247321680), (2, 1123660840), (4, 561830420), (5, 449464336), (8, 280915210), (10, 224732168), (16, 140457605), (20, 112366084), (40, 56183042), (80, 28091521)]