1081240

素因数分解:

$2^3\times 5^1\times {\mathrm{27031}}^1$

素因数の和:27042

約数の個数: 16

約数和(自身を含む): 2432880

約数和(自身を除く): 1351640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 27031, 54062, 108124, 135155, 216248, 270310, 540620, 1081240]

約数ペア:

[(1, 1081240), (2, 540620), (4, 270310), (5, 216248), (8, 135155), (10, 108124), (20, 54062), (40, 27031)]