12865360

素因数分解:

$2^4\times 5^1\times {\mathrm{160817}}^1$

素因数の和:160830

約数の個数: 20

約数和(自身を含む): 29912148

約数和(自身を除く): 17046788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 160817, 321634, 643268, 804085, 1286536, 1608170, 2573072, 3216340, 6432680, 12865360]

約数ペア:

[(1, 12865360), (2, 6432680), (4, 3216340), (5, 2573072), (8, 1608170), (10, 1286536), (16, 804085), (20, 643268), (40, 321634), (80, 160817)]