28095460

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1409}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 59101560

約数和(自身を除く): 31006100

約数列:

[1, 2, 4, 5, 10, 20, 997, 1409, 1994, 2818, 3988, 4985, 5636, 7045, 9970, 14090, 19940, 28180, 1404773, 2809546, 5619092, 7023865, 14047730, 28095460]

約数ペア:

[(1, 28095460), (2, 14047730), (4, 7023865), (5, 5619092), (10, 2809546), (20, 1404773), (997, 28180), (1409, 19940), (1994, 14090), (2818, 9970), (3988, 7045), (4985, 5636)]