28360340

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1543}}^1$

素因数の和:2471

約数の個数: 24

約数和(自身を含む): 59660160

約数和(自身を除く): 31299820

約数列:

[1, 2, 4, 5, 10, 20, 919, 1543, 1838, 3086, 3676, 4595, 6172, 7715, 9190, 15430, 18380, 30860, 1418017, 2836034, 5672068, 7090085, 14180170, 28360340]

約数ペア:

[(1, 28360340), (2, 14180170), (4, 7090085), (5, 5672068), (10, 2836034), (20, 1418017), (919, 30860), (1543, 18380), (1838, 15430), (3086, 9190), (3676, 7715), (4595, 6172)]