13156660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 30562560

約数和(自身を除く): 17405900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 757, 790, 869, 1514, 1580, 1738, 3028, 3476, 3785, 4345, 7570, 8327, 8690, 15140, 16654, 17380, 33308, 41635, 59803, 83270, 119606, 166540, 239212, 299015, 598030, 657833, 1196060, 1315666, 2631332, 3289165, 6578330, 13156660]

約数ペア:

[(1, 13156660), (2, 6578330), (4, 3289165), (5, 2631332), (10, 1315666), (11, 1196060), (20, 657833), (22, 598030), (44, 299015), (55, 239212), (79, 166540), (110, 119606), (158, 83270), (220, 59803), (316, 41635), (395, 33308), (757, 17380), (790, 16654), (869, 15140), (1514, 8690), (1580, 8327), (1738, 7570), (3028, 4345), (3476, 3785)]