8989887280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10215781}}^1$

素因数の和:10215805

約数の個数: 40

約数和(自身を含む): 22801625424

約数和(自身を除く): 13811738144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 10215781, 20431562, 40863124, 51078905, 81726248, 102157810, 112373591, 163452496, 204315620, 224747182, 408631240, 449494364, 561867955, 817262480, 898988728, 1123735910, 1797977456, 2247471820, 4494943640, 8989887280]

約数ペア:

[(1, 8989887280), (2, 4494943640), (4, 2247471820), (5, 1797977456), (8, 1123735910), (10, 898988728), (11, 817262480), (16, 561867955), (20, 449494364), (22, 408631240), (40, 224747182), (44, 204315620), (55, 163452496), (80, 112373591), (88, 102157810), (110, 81726248), (176, 51078905), (220, 40863124), (440, 20431562), (880, 10215781)]