56685640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128831}}^1$

素因数の和:128853

約数の個数: 32

約数和(自身を含む): 139138560

約数和(自身を除く): 82452920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128831, 257662, 515324, 644155, 1030648, 1288310, 1417141, 2576620, 2834282, 5153240, 5668564, 7085705, 11337128, 14171410, 28342820, 56685640]

約数ペア:

[(1, 56685640), (2, 28342820), (4, 14171410), (5, 11337128), (8, 7085705), (10, 5668564), (11, 5153240), (20, 2834282), (22, 2576620), (40, 1417141), (44, 1288310), (55, 1030648), (88, 644155), (110, 515324), (220, 257662), (440, 128831)]