56741960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128959}}^1$

素因数の和:128981

約数の個数: 32

約数和(自身を含む): 139276800

約数和(自身を除く): 82534840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128959, 257918, 515836, 644795, 1031672, 1289590, 1418549, 2579180, 2837098, 5158360, 5674196, 7092745, 11348392, 14185490, 28370980, 56741960]

約数ペア:

[(1, 56741960), (2, 28370980), (4, 14185490), (5, 11348392), (8, 7092745), (10, 5674196), (11, 5158360), (20, 2837098), (22, 2579180), (40, 1418549), (44, 1289590), (55, 1031672), (88, 644795), (110, 515836), (220, 257918), (440, 128959)]