38981140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1061}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 89921664

約数和(自身を除く): 50940524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 668, 835, 1061, 1670, 1837, 2122, 3340, 3674, 4244, 5305, 7348, 9185, 10610, 11671, 18370, 21220, 23342, 36740, 46684, 58355, 116710, 177187, 233420, 354374, 708748, 885935, 1771870, 1949057, 3543740, 3898114, 7796228, 9745285, 19490570, 38981140]

約数ペア:

[(1, 38981140), (2, 19490570), (4, 9745285), (5, 7796228), (10, 3898114), (11, 3543740), (20, 1949057), (22, 1771870), (44, 885935), (55, 708748), (110, 354374), (167, 233420), (220, 177187), (334, 116710), (668, 58355), (835, 46684), (1061, 36740), (1670, 23342), (1837, 21220), (2122, 18370), (3340, 11671), (3674, 10610), (4244, 9185), (5305, 7348)]