2180720

素因数分解:

$2^4\times 5^1\times {\mathrm{27259}}^1$

素因数の和:27272

約数の個数: 20

約数和(自身を含む): 5070360

約数和(自身を除く): 2889640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27259, 54518, 109036, 136295, 218072, 272590, 436144, 545180, 1090360, 2180720]

約数ペア:

[(1, 2180720), (2, 1090360), (4, 545180), (5, 436144), (8, 272590), (10, 218072), (16, 136295), (20, 109036), (40, 54518), (80, 27259)]