126800

素因数分解:

$2^4\times 5^2\times {\mathrm{317}}^1$

素因数の和:335

約数の個数: 30

約数和(自身を含む): 305598

約数和(自身を除く): 178798

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 317, 400, 634, 1268, 1585, 2536, 3170, 5072, 6340, 7925, 12680, 15850, 25360, 31700, 63400, 126800]

約数ペア:

[(1, 126800), (2, 63400), (4, 31700), (5, 25360), (8, 15850), (10, 12680), (16, 7925), (20, 6340), (25, 5072), (40, 3170), (50, 2536), (80, 1585), (100, 1268), (200, 634), (317, 400)]