80979070

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{40693}}^1$

素因数の和:40899

約数の個数: 16

約数和(自身を含む): 146498400

約数和(自身を除く): 65519330

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 40693, 81386, 203465, 406930, 8097907, 16195814, 40489535, 80979070]

約数ペア:

[(1, 80979070), (2, 40489535), (5, 16195814), (10, 8097907), (199, 406930), (398, 203465), (995, 81386), (1990, 40693)]