82005520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53951}}^1$

素因数の和:53983

約数の個数: 40

約数和(自身を含む): 200701440

約数和(自身を除く): 118695920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 53951, 107902, 215804, 269755, 431608, 539510, 863216, 1025069, 1079020, 2050138, 2158040, 4100276, 4316080, 5125345, 8200552, 10250690, 16401104, 20501380, 41002760, 82005520]

約数ペア:

[(1, 82005520), (2, 41002760), (4, 20501380), (5, 16401104), (8, 10250690), (10, 8200552), (16, 5125345), (19, 4316080), (20, 4100276), (38, 2158040), (40, 2050138), (76, 1079020), (80, 1025069), (95, 863216), (152, 539510), (190, 431608), (304, 269755), (380, 215804), (760, 107902), (1520, 53951)]