17201560

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2161}}^1$

素因数の和:2371

約数の個数: 32

約数和(自身を含む): 38916000

約数和(自身を除く): 21714440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 2161, 3980, 4322, 7960, 8644, 10805, 17288, 21610, 43220, 86440, 430039, 860078, 1720156, 2150195, 3440312, 4300390, 8600780, 17201560]

約数ペア:

[(1, 17201560), (2, 8600780), (4, 4300390), (5, 3440312), (8, 2150195), (10, 1720156), (20, 860078), (40, 430039), (199, 86440), (398, 43220), (796, 21610), (995, 17288), (1592, 10805), (1990, 8644), (2161, 7960), (3980, 4322)]