22495280

素因数分解:

$2^4\times 5^1\times {\mathrm{281191}}^1$

素因数の和:281204

約数の個数: 20

約数和(自身を含む): 52301712

約数和(自身を除く): 29806432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281191, 562382, 1124764, 1405955, 2249528, 2811910, 4499056, 5623820, 11247640, 22495280]

約数ペア:

[(1, 22495280), (2, 11247640), (4, 5623820), (5, 4499056), (8, 2811910), (10, 2249528), (16, 1405955), (20, 1124764), (40, 562382), (80, 281191)]