1395560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 3175200

約数和(自身を除く): 1779640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 251, 278, 502, 556, 695, 1004, 1112, 1255, 1390, 2008, 2510, 2780, 5020, 5560, 10040, 34889, 69778, 139556, 174445, 279112, 348890, 697780, 1395560]

約数ペア:

[(1, 1395560), (2, 697780), (4, 348890), (5, 279112), (8, 174445), (10, 139556), (20, 69778), (40, 34889), (139, 10040), (251, 5560), (278, 5020), (502, 2780), (556, 2510), (695, 2008), (1004, 1390), (1112, 1255)]