38640620

素因数分解:

$2^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{2203}}^1$

素因数の和:3089

約数の個数: 24

約数和(自身を含む): 81274704

約数和(自身を除く): 42634084

約数列:

[1, 2, 4, 5, 10, 20, 877, 1754, 2203, 3508, 4385, 4406, 8770, 8812, 11015, 17540, 22030, 44060, 1932031, 3864062, 7728124, 9660155, 19320310, 38640620]

約数ペア:

[(1, 38640620), (2, 19320310), (4, 9660155), (5, 7728124), (10, 3864062), (20, 1932031), (877, 44060), (1754, 22030), (2203, 17540), (3508, 11015), (4385, 8812), (4406, 8770)]