81098960

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10037}}^1$

素因数の和:10151

約数の個数: 40

約数和(自身を含む): 190440936

約数和(自身を除く): 109341976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 10037, 20074, 40148, 50185, 80296, 100370, 160592, 200740, 401480, 802960, 1013737, 2027474, 4054948, 5068685, 8109896, 10137370, 16219792, 20274740, 40549480, 81098960]

約数ペア:

[(1, 81098960), (2, 40549480), (4, 20274740), (5, 16219792), (8, 10137370), (10, 8109896), (16, 5068685), (20, 4054948), (40, 2027474), (80, 1013737), (101, 802960), (202, 401480), (404, 200740), (505, 160592), (808, 100370), (1010, 80296), (1616, 50185), (2020, 40148), (4040, 20074), (8080, 10037)]