2855380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12979}}^1$

素因数の和:12999

約数の個数: 24

約数和(自身を含む): 6541920

約数和(自身を除く): 3686540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12979, 25958, 51916, 64895, 129790, 142769, 259580, 285538, 571076, 713845, 1427690, 2855380]

約数ペア:

[(1, 2855380), (2, 1427690), (4, 713845), (5, 571076), (10, 285538), (11, 259580), (20, 142769), (22, 129790), (44, 64895), (55, 51916), (110, 25958), (220, 12979)]