6445610

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 12096000

約数和(自身を除く): 5650390

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 199, 205, 395, 398, 410, 790, 995, 1990, 3239, 6478, 8159, 15721, 16195, 16318, 31442, 32390, 40795, 78605, 81590, 157210, 644561, 1289122, 3222805, 6445610]

約数ペア:

[(1, 6445610), (2, 3222805), (5, 1289122), (10, 644561), (41, 157210), (79, 81590), (82, 78605), (158, 40795), (199, 32390), (205, 31442), (395, 16318), (398, 16195), (410, 15721), (790, 8159), (995, 6478), (1990, 3239)]