89981360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{160681}}^1$

素因数の和:160701

約数の個数: 40

約数和(自身を含む): 239094816

約数和(自身を除く): 149113456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 160681, 321362, 642724, 803405, 1124767, 1285448, 1606810, 2249534, 2570896, 3213620, 4499068, 5623835, 6427240, 8998136, 11247670, 12854480, 17996272, 22495340, 44990680, 89981360]

約数ペア:

[(1, 89981360), (2, 44990680), (4, 22495340), (5, 17996272), (7, 12854480), (8, 11247670), (10, 8998136), (14, 6427240), (16, 5623835), (20, 4499068), (28, 3213620), (35, 2570896), (40, 2249534), (56, 1606810), (70, 1285448), (80, 1124767), (112, 803405), (140, 642724), (280, 321362), (560, 160681)]