8263780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 20151936

約数和(自身を除く): 11888156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 881, 938, 1340, 1762, 1876, 2345, 3524, 4405, 4690, 6167, 8810, 9380, 12334, 17620, 24668, 30835, 59027, 61670, 118054, 123340, 236108, 295135, 413189, 590270, 826378, 1180540, 1652756, 2065945, 4131890, 8263780]

約数ペア:

[(1, 8263780), (2, 4131890), (4, 2065945), (5, 1652756), (7, 1180540), (10, 826378), (14, 590270), (20, 413189), (28, 295135), (35, 236108), (67, 123340), (70, 118054), (134, 61670), (140, 59027), (268, 30835), (335, 24668), (469, 17620), (670, 12334), (881, 9380), (938, 8810), (1340, 6167), (1762, 4690), (1876, 4405), (2345, 3524)]