56875240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{769}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 131184900

約数和(自身を除く): 74309660

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 769, 860, 1538, 1720, 1849, 3076, 3698, 3845, 6152, 7396, 7690, 9245, 14792, 15380, 18490, 30760, 33067, 36980, 66134, 73960, 132268, 165335, 264536, 330670, 661340, 1322680, 1421881, 2843762, 5687524, 7109405, 11375048, 14218810, 28437620, 56875240]

約数ペア:

[(1, 56875240), (2, 28437620), (4, 14218810), (5, 11375048), (8, 7109405), (10, 5687524), (20, 2843762), (40, 1421881), (43, 1322680), (86, 661340), (172, 330670), (215, 264536), (344, 165335), (430, 132268), (769, 73960), (860, 66134), (1538, 36980), (1720, 33067), (1849, 30760), (3076, 18490), (3698, 15380), (3845, 14792), (6152, 9245), (7396, 7690)]