38190140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1987}}^1$

素因数の和:2058

約数の個数: 36

約数和(自身を含む): 82911528

約数和(自身を除く): 44721388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 1987, 3844, 3974, 4805, 7948, 9610, 9935, 19220, 19870, 39740, 61597, 123194, 246388, 307985, 615970, 1231940, 1909507, 3819014, 7638028, 9547535, 19095070, 38190140]

約数ペア:

[(1, 38190140), (2, 19095070), (4, 9547535), (5, 7638028), (10, 3819014), (20, 1909507), (31, 1231940), (62, 615970), (124, 307985), (155, 246388), (310, 123194), (620, 61597), (961, 39740), (1922, 19870), (1987, 19220), (3844, 9935), (3974, 9610), (4805, 7948)]