79666220

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{3257}}^1$

素因数の和:4489

約数の個数: 24

約数和(自身を含む): 167487264

約数和(自身を除く): 87821044

約数列:

[1, 2, 4, 5, 10, 20, 1223, 2446, 3257, 4892, 6115, 6514, 12230, 13028, 16285, 24460, 32570, 65140, 3983311, 7966622, 15933244, 19916555, 39833110, 79666220]

約数ペア:

[(1, 79666220), (2, 39833110), (4, 19916555), (5, 15933244), (10, 7966622), (20, 3983311), (1223, 65140), (2446, 32570), (3257, 24460), (4892, 16285), (6115, 13028), (6514, 12230)]