2055740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 4656960

約数和(自身を除く): 2601220

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 109, 115, 164, 205, 218, 230, 410, 436, 460, 545, 820, 943, 1090, 1886, 2180, 2507, 3772, 4469, 4715, 5014, 8938, 9430, 10028, 12535, 17876, 18860, 22345, 25070, 44690, 50140, 89380, 102787, 205574, 411148, 513935, 1027870, 2055740]

約数ペア:

[(1, 2055740), (2, 1027870), (4, 513935), (5, 411148), (10, 205574), (20, 102787), (23, 89380), (41, 50140), (46, 44690), (82, 25070), (92, 22345), (109, 18860), (115, 17876), (164, 12535), (205, 10028), (218, 9430), (230, 8938), (410, 5014), (436, 4715), (460, 4469), (545, 3772), (820, 2507), (943, 2180), (1090, 1886)]