28637740

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5323}}^1$

素因数の和:5601

約数の個数: 24

約数和(自身を含む): 60374160

約数和(自身を除く): 31736420

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5323, 5380, 10646, 21292, 26615, 53230, 106460, 1431887, 2863774, 5727548, 7159435, 14318870, 28637740]

約数ペア:

[(1, 28637740), (2, 14318870), (4, 7159435), (5, 5727548), (10, 2863774), (20, 1431887), (269, 106460), (538, 53230), (1076, 26615), (1345, 21292), (2690, 10646), (5323, 5380)]