2463220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1559}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 5241600

約数和(自身を除く): 2778380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1559, 1580, 3118, 6236, 7795, 15590, 31180, 123161, 246322, 492644, 615805, 1231610, 2463220]

約数ペア:

[(1, 2463220), (2, 1231610), (4, 615805), (5, 492644), (10, 246322), (20, 123161), (79, 31180), (158, 15590), (316, 7795), (395, 6236), (790, 3118), (1559, 1580)]