39236720

素因数分解:

$2^4\times 5^1\times {\mathrm{490459}}^1$

素因数の和:490472

約数の個数: 20

約数和(自身を含む): 91225560

約数和(自身を除く): 51988840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490459, 980918, 1961836, 2452295, 3923672, 4904590, 7847344, 9809180, 19618360, 39236720]

約数ペア:

[(1, 39236720), (2, 19618360), (4, 9809180), (5, 7847344), (8, 4904590), (10, 3923672), (16, 2452295), (20, 1961836), (40, 980918), (80, 490459)]