83748640

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2657}}^1$

素因数の和:2869

約数の個数: 48

約数和(自身を含む): 198935352

約数和(自身を除く): 115186712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 2657, 3152, 3940, 5314, 6304, 7880, 10628, 13285, 15760, 21256, 26570, 31520, 42512, 53140, 85024, 106280, 212560, 425120, 523429, 1046858, 2093716, 2617145, 4187432, 5234290, 8374864, 10468580, 16749728, 20937160, 41874320, 83748640]

約数ペア:

[(1, 83748640), (2, 41874320), (4, 20937160), (5, 16749728), (8, 10468580), (10, 8374864), (16, 5234290), (20, 4187432), (32, 2617145), (40, 2093716), (80, 1046858), (160, 523429), (197, 425120), (394, 212560), (788, 106280), (985, 85024), (1576, 53140), (1970, 42512), (2657, 31520), (3152, 26570), (3940, 21256), (5314, 15760), (6304, 13285), (7880, 10628)]