87069145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 113218560

約数和(自身を除く): 26149415

約数列:

[1, 5, 23, 47, 89, 115, 181, 235, 445, 905, 1081, 2047, 4163, 4183, 5405, 8507, 10235, 16109, 20815, 20915, 42535, 80545, 96209, 195661, 370507, 481045, 757123, 978305, 1852535, 3785615, 17413829, 87069145]

約数ペア:

[(1, 87069145), (5, 17413829), (23, 3785615), (47, 1852535), (89, 978305), (115, 757123), (181, 481045), (235, 370507), (445, 195661), (905, 96209), (1081, 80545), (2047, 42535), (4163, 20915), (4183, 20815), (5405, 16109), (8507, 10235)]