28894120

素因数分解:

$2^3\times 5^1\times {\mathrm{722353}}^1$

素因数の和:722364

約数の個数: 16

約数和(自身を含む): 65011860

約数和(自身を除く): 36117740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 722353, 1444706, 2889412, 3611765, 5778824, 7223530, 14447060, 28894120]

約数ペア:

[(1, 28894120), (2, 14447060), (4, 7223530), (5, 5778824), (8, 3611765), (10, 2889412), (20, 1444706), (40, 722353)]