1220840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 2868480

約数和(自身を除く): 1647640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1327, 2654, 5308, 6635, 10616, 13270, 26540, 30521, 53080, 61042, 122084, 152605, 244168, 305210, 610420, 1220840]

約数ペア:

[(1, 1220840), (2, 610420), (4, 305210), (5, 244168), (8, 152605), (10, 122084), (20, 61042), (23, 53080), (40, 30521), (46, 26540), (92, 13270), (115, 10616), (184, 6635), (230, 5308), (460, 2654), (920, 1327)]