1440280

素因数分解:

$2^3\times 5^1\times {\mathrm{36007}}^1$

素因数の和:36018

約数の個数: 16

約数和(自身を含む): 3240720

約数和(自身を除く): 1800440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 36007, 72014, 144028, 180035, 288056, 360070, 720140, 1440280]

約数ペア:

[(1, 1440280), (2, 720140), (4, 360070), (5, 288056), (8, 180035), (10, 144028), (20, 72014), (40, 36007)]