89102360

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{7027}}^1$

素因数の和:7355

約数の個数: 32

約数和(自身を含む): 201141360

約数和(自身を除く): 112039000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 7027, 12680, 14054, 28108, 35135, 56216, 70270, 140540, 281080, 2227559, 4455118, 8910236, 11137795, 17820472, 22275590, 44551180, 89102360]

約数ペア:

[(1, 89102360), (2, 44551180), (4, 22275590), (5, 17820472), (8, 11137795), (10, 8910236), (20, 4455118), (40, 2227559), (317, 281080), (634, 140540), (1268, 70270), (1585, 56216), (2536, 35135), (3170, 28108), (6340, 14054), (7027, 12680)]