18720160

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5087}}^1$

素因数の和:5125

約数の個数: 48

約数和(自身を含む): 46158336

約数和(自身を除く): 27438176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5087, 10174, 20348, 25435, 40696, 50870, 81392, 101740, 117001, 162784, 203480, 234002, 406960, 468004, 585005, 813920, 936008, 1170010, 1872016, 2340020, 3744032, 4680040, 9360080, 18720160]

約数ペア:

[(1, 18720160), (2, 9360080), (4, 4680040), (5, 3744032), (8, 2340020), (10, 1872016), (16, 1170010), (20, 936008), (23, 813920), (32, 585005), (40, 468004), (46, 406960), (80, 234002), (92, 203480), (115, 162784), (160, 117001), (184, 101740), (230, 81392), (368, 50870), (460, 40696), (736, 25435), (920, 20348), (1840, 10174), (3680, 5087)]