220485320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{501103}}^1$

素因数の和:501125

約数の個数: 32

約数和(自身を含む): 541192320

約数和(自身を除く): 320707000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 501103, 1002206, 2004412, 2505515, 4008824, 5011030, 5512133, 10022060, 11024266, 20044120, 22048532, 27560665, 44097064, 55121330, 110242660, 220485320]

約数ペア:

[(1, 220485320), (2, 110242660), (4, 55121330), (5, 44097064), (8, 27560665), (10, 22048532), (11, 20044120), (20, 11024266), (22, 10022060), (40, 5512133), (44, 5011030), (55, 4008824), (88, 2505515), (110, 2004412), (220, 1002206), (440, 501103)]