30020720

素因数分解:

$2^4\times 5^1\times {\mathrm{375259}}^1$

素因数の和:375272

約数の個数: 20

約数和(自身を含む): 69798360

約数和(自身を除く): 39777640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 375259, 750518, 1501036, 1876295, 3002072, 3752590, 6004144, 7505180, 15010360, 30020720]

約数ペア:

[(1, 30020720), (2, 15010360), (4, 7505180), (5, 6004144), (8, 3752590), (10, 3002072), (16, 1876295), (20, 1501036), (40, 750518), (80, 375259)]