4312040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 10454400

約数和(自身を除く): 6142360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 109, 115, 172, 184, 215, 218, 230, 344, 430, 436, 460, 545, 860, 872, 920, 989, 1090, 1720, 1978, 2180, 2507, 3956, 4360, 4687, 4945, 5014, 7912, 9374, 9890, 10028, 12535, 18748, 19780, 20056, 23435, 25070, 37496, 39560, 46870, 50140, 93740, 100280, 107801, 187480, 215602, 431204, 539005, 862408, 1078010, 2156020, 4312040]

約数ペア:

[(1, 4312040), (2, 2156020), (4, 1078010), (5, 862408), (8, 539005), (10, 431204), (20, 215602), (23, 187480), (40, 107801), (43, 100280), (46, 93740), (86, 50140), (92, 46870), (109, 39560), (115, 37496), (172, 25070), (184, 23435), (215, 20056), (218, 19780), (230, 18748), (344, 12535), (430, 10028), (436, 9890), (460, 9374), (545, 7912), (860, 5014), (872, 4945), (920, 4687), (989, 4360), (1090, 3956), (1720, 2507), (1978, 2180)]