61439180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{279269}}^1$

素因数の和:279289

約数の個数: 24

約数和(自身を含む): 140752080

約数和(自身を除く): 79312900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 279269, 558538, 1117076, 1396345, 2792690, 3071959, 5585380, 6143918, 12287836, 15359795, 30719590, 61439180]

約数ペア:

[(1, 61439180), (2, 30719590), (4, 15359795), (5, 12287836), (10, 6143918), (11, 5585380), (20, 3071959), (22, 2792690), (44, 1396345), (55, 1117076), (110, 558538), (220, 279269)]