5117620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^2$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 11150244

約数和(自身を除く): 6032624

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1580, 3239, 6241, 6478, 12482, 12956, 16195, 24964, 31205, 32390, 62410, 64780, 124820, 255881, 511762, 1023524, 1279405, 2558810, 5117620]

約数ペア:

[(1, 5117620), (2, 2558810), (4, 1279405), (5, 1023524), (10, 511762), (20, 255881), (41, 124820), (79, 64780), (82, 62410), (158, 32390), (164, 31205), (205, 24964), (316, 16195), (395, 12956), (410, 12482), (790, 6478), (820, 6241), (1580, 3239)]