1440680

素因数分解:

$2^3\times 5^1\times {\mathrm{36017}}^1$

素因数の和:36028

約数の個数: 16

約数和(自身を含む): 3241620

約数和(自身を除く): 1800940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 36017, 72034, 144068, 180085, 288136, 360170, 720340, 1440680]

約数ペア:

[(1, 1440680), (2, 720340), (4, 360170), (5, 288136), (8, 180085), (10, 144068), (20, 72034), (40, 36017)]