51480440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5087}}^1$

素因数の和:5132

約数の個数: 64

約数和(自身を含む): 131880960

約数和(自身を除く): 80400520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 5087, 10120, 10174, 20348, 25435, 40696, 50870, 55957, 101740, 111914, 117001, 203480, 223828, 234002, 279785, 447656, 468004, 559570, 585005, 936008, 1119140, 1170010, 1287011, 2238280, 2340020, 2574022, 4680040, 5148044, 6435055, 10296088, 12870110, 25740220, 51480440]

約数ペア:

[(1, 51480440), (2, 25740220), (4, 12870110), (5, 10296088), (8, 6435055), (10, 5148044), (11, 4680040), (20, 2574022), (22, 2340020), (23, 2238280), (40, 1287011), (44, 1170010), (46, 1119140), (55, 936008), (88, 585005), (92, 559570), (110, 468004), (115, 447656), (184, 279785), (220, 234002), (230, 223828), (253, 203480), (440, 117001), (460, 111914), (506, 101740), (920, 55957), (1012, 50870), (1265, 40696), (2024, 25435), (2530, 20348), (5060, 10174), (5087, 10120)]