8225480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 19872000

約数和(自身を除く): 11646520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 137, 152, 158, 190, 274, 316, 380, 395, 548, 632, 685, 760, 790, 1096, 1370, 1501, 1580, 2603, 2740, 3002, 3160, 5206, 5480, 6004, 7505, 10412, 10823, 12008, 13015, 15010, 20824, 21646, 26030, 30020, 43292, 52060, 54115, 60040, 86584, 104120, 108230, 205637, 216460, 411274, 432920, 822548, 1028185, 1645096, 2056370, 4112740, 8225480]

約数ペア:

[(1, 8225480), (2, 4112740), (4, 2056370), (5, 1645096), (8, 1028185), (10, 822548), (19, 432920), (20, 411274), (38, 216460), (40, 205637), (76, 108230), (79, 104120), (95, 86584), (137, 60040), (152, 54115), (158, 52060), (190, 43292), (274, 30020), (316, 26030), (380, 21646), (395, 20824), (548, 15010), (632, 13015), (685, 12008), (760, 10823), (790, 10412), (1096, 7505), (1370, 6004), (1501, 5480), (1580, 5206), (2603, 3160), (2740, 3002)]