123359440

素因数分解:

$2^4\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2819}}^1$

素因数の和:3379

約数の個数: 40

約数和(自身を含む): 287436960

約数和(自身を除く): 164077520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 547, 1094, 2188, 2735, 2819, 4376, 5470, 5638, 8752, 10940, 11276, 14095, 21880, 22552, 28190, 43760, 45104, 56380, 112760, 225520, 1541993, 3083986, 6167972, 7709965, 12335944, 15419930, 24671888, 30839860, 61679720, 123359440]

約数ペア:

[(1, 123359440), (2, 61679720), (4, 30839860), (5, 24671888), (8, 15419930), (10, 12335944), (16, 7709965), (20, 6167972), (40, 3083986), (80, 1541993), (547, 225520), (1094, 112760), (2188, 56380), (2735, 45104), (2819, 43760), (4376, 28190), (5470, 22552), (5638, 21880), (8752, 14095), (10940, 11276)]