320170040

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{14633}}^1$

素因数の和:15191

約数の個数: 32

約数和(自身を含む): 721748880

約数和(自身を除く): 401578840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2735, 4376, 5470, 10940, 14633, 21880, 29266, 58532, 73165, 117064, 146330, 292660, 585320, 8004251, 16008502, 32017004, 40021255, 64034008, 80042510, 160085020, 320170040]

約数ペア:

[(1, 320170040), (2, 160085020), (4, 80042510), (5, 64034008), (8, 40021255), (10, 32017004), (20, 16008502), (40, 8004251), (547, 585320), (1094, 292660), (2188, 146330), (2735, 117064), (4376, 73165), (5470, 58532), (10940, 29266), (14633, 21880)]