28769380

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1579}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 60520320

約数和(自身を除く): 31750940

約数列:

[1, 2, 4, 5, 10, 20, 911, 1579, 1822, 3158, 3644, 4555, 6316, 7895, 9110, 15790, 18220, 31580, 1438469, 2876938, 5753876, 7192345, 14384690, 28769380]

約数ペア:

[(1, 28769380), (2, 14384690), (4, 7192345), (5, 5753876), (10, 2876938), (20, 1438469), (911, 31580), (1579, 18220), (1822, 15790), (3158, 9110), (3644, 7895), (4555, 6316)]