205488095

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 275736960

約数和(自身を除く): 70248865

約数列:

[1, 5, 17, 23, 85, 89, 115, 391, 445, 1181, 1513, 1955, 2047, 5905, 7565, 10235, 20077, 27163, 34799, 100385, 105109, 135815, 173995, 461771, 525545, 1786853, 2308855, 2417507, 8934265, 12087535, 41097619, 205488095]

約数ペア:

[(1, 205488095), (5, 41097619), (17, 12087535), (23, 8934265), (85, 2417507), (89, 2308855), (115, 1786853), (391, 525545), (445, 461771), (1181, 173995), (1513, 135815), (1955, 105109), (2047, 100385), (5905, 34799), (7565, 27163), (10235, 20077)]