79600

素因数分解:

$2^4\times 5^2\times {\mathrm{199}}^1$

素因数の和:217

約数の個数: 30

約数和(自身を含む): 192200

約数和(自身を除く): 112600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 199, 200, 398, 400, 796, 995, 1592, 1990, 3184, 3980, 4975, 7960, 9950, 15920, 19900, 39800, 79600]

約数ペア:

[(1, 79600), (2, 39800), (4, 19900), (5, 15920), (8, 9950), (10, 7960), (16, 4975), (20, 3980), (25, 3184), (40, 1990), (50, 1592), (80, 995), (100, 796), (199, 400), (200, 398)]