64860940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{69001}}^1$

素因数の和:69057

約数の個数: 24

約数和(自身を含む): 139108032

約数和(自身を除く): 74247092

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 69001, 138002, 276004, 345005, 690010, 1380020, 3243047, 6486094, 12972188, 16215235, 32430470, 64860940]

約数ペア:

[(1, 64860940), (2, 32430470), (4, 16215235), (5, 12972188), (10, 6486094), (20, 3243047), (47, 1380020), (94, 690010), (188, 345005), (235, 276004), (470, 138002), (940, 69001)]