159968540

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{6353}}^1$

素因数の和:7621

約数の個数: 24

約数和(自身を含む): 336253680

約数和(自身を除く): 176285140

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2518, 5036, 6295, 6353, 12590, 12706, 25180, 25412, 31765, 63530, 127060, 7998427, 15996854, 31993708, 39992135, 79984270, 159968540]

約数ペア:

[(1, 159968540), (2, 79984270), (4, 39992135), (5, 31993708), (10, 15996854), (20, 7998427), (1259, 127060), (2518, 63530), (5036, 31765), (6295, 25412), (6353, 25180), (12590, 12706)]