1320241540

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{243587}}^1$

素因数の和:243867

約数の個数: 24

約数和(自身を含む): 2782749312

約数和(自身を除く): 1462507772

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 243587, 487174, 974348, 1217935, 2435870, 4871740, 66012077, 132024154, 264048308, 330060385, 660120770, 1320241540]

約数ペア:

[(1, 1320241540), (2, 660120770), (4, 330060385), (5, 264048308), (10, 132024154), (20, 66012077), (271, 4871740), (542, 2435870), (1084, 1217935), (1355, 974348), (2710, 487174), (5420, 243587)]