28802120

素因数分解:

$2^3\times 5^1\times {\mathrm{720053}}^1$

素因数の和:720064

約数の個数: 16

約数和(自身を含む): 64804860

約数和(自身を除く): 36002740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 720053, 1440106, 2880212, 3600265, 5760424, 7200530, 14401060, 28802120]

約数ペア:

[(1, 28802120), (2, 14401060), (4, 7200530), (5, 5760424), (8, 3600265), (10, 2880212), (20, 1440106), (40, 720053)]