12685360

素因数分解:

$2^4\times 5^1\times {\mathrm{158567}}^1$

素因数の和:158580

約数の個数: 20

約数和(自身を含む): 29493648

約数和(自身を除く): 16808288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158567, 317134, 634268, 792835, 1268536, 1585670, 2537072, 3171340, 6342680, 12685360]

約数ペア:

[(1, 12685360), (2, 6342680), (4, 3171340), (5, 2537072), (8, 1585670), (10, 1268536), (16, 792835), (20, 634268), (40, 317134), (80, 158567)]