23051320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 55598400

約数和(自身を除く): 32547080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 311, 340, 436, 545, 622, 680, 872, 1090, 1244, 1555, 1853, 2180, 2488, 3110, 3706, 4360, 5287, 6220, 7412, 9265, 10574, 12440, 14824, 18530, 21148, 26435, 33899, 37060, 42296, 52870, 67798, 74120, 105740, 135596, 169495, 211480, 271192, 338990, 576283, 677980, 1152566, 1355960, 2305132, 2881415, 4610264, 5762830, 11525660, 23051320]

約数ペア:

[(1, 23051320), (2, 11525660), (4, 5762830), (5, 4610264), (8, 2881415), (10, 2305132), (17, 1355960), (20, 1152566), (34, 677980), (40, 576283), (68, 338990), (85, 271192), (109, 211480), (136, 169495), (170, 135596), (218, 105740), (311, 74120), (340, 67798), (436, 52870), (545, 42296), (622, 37060), (680, 33899), (872, 26435), (1090, 21148), (1244, 18530), (1555, 14824), (1853, 12440), (2180, 10574), (2488, 9265), (3110, 7412), (3706, 6220), (4360, 5287)]