641440105

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{5779}}^1$

素因数の和:6144

約数の個数: 16

約数和(自身を含む): 782380800

約数和(自身を除く): 140940695

約数列:

[1, 5, 79, 281, 395, 1405, 5779, 22199, 28895, 110995, 456541, 1623899, 2282705, 8119495, 128288021, 641440105]

約数ペア:

[(1, 641440105), (5, 128288021), (79, 8119495), (281, 2282705), (395, 1623899), (1405, 456541), (5779, 110995), (22199, 28895)]