22231640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5099}}^1$

素因数の和:5219

約数の個数: 32

約数和(自身を含む): 50490000

約数和(自身を除く): 28258360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5099, 10198, 20396, 25495, 40792, 50990, 101980, 203960, 555791, 1111582, 2223164, 2778955, 4446328, 5557910, 11115820, 22231640]

約数ペア:

[(1, 22231640), (2, 11115820), (4, 5557910), (5, 4446328), (8, 2778955), (10, 2223164), (20, 1111582), (40, 555791), (109, 203960), (218, 101980), (436, 50990), (545, 40792), (872, 25495), (1090, 20396), (2180, 10198), (4360, 5099)]