66380140

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{17377}}^1$

素因数の和:17577

約数の個数: 24

約数和(自身を含む): 140136192

約数和(自身を除く): 73756052

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 17377, 34754, 69508, 86885, 173770, 347540, 3319007, 6638014, 13276028, 16595035, 33190070, 66380140]

約数ペア:

[(1, 66380140), (2, 33190070), (4, 16595035), (5, 13276028), (10, 6638014), (20, 3319007), (191, 347540), (382, 173770), (764, 86885), (955, 69508), (1910, 34754), (3820, 17377)]