89981920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{80341}}^1$

素因数の和:80363

約数の個数: 48

約数和(自身を含む): 242954208

約数和(自身を除く): 152972288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 80341, 160682, 321364, 401705, 562387, 642728, 803410, 1124774, 1285456, 1606820, 2249548, 2570912, 2811935, 3213640, 4499096, 5623870, 6427280, 8998192, 11247740, 12854560, 17996384, 22495480, 44990960, 89981920]

約数ペア:

[(1, 89981920), (2, 44990960), (4, 22495480), (5, 17996384), (7, 12854560), (8, 11247740), (10, 8998192), (14, 6427280), (16, 5623870), (20, 4499096), (28, 3213640), (32, 2811935), (35, 2570912), (40, 2249548), (56, 1606820), (70, 1285456), (80, 1124774), (112, 803410), (140, 642728), (160, 562387), (224, 401705), (280, 321364), (560, 160682), (1120, 80341)]