164130625

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{4451}}^1$

素因数の和:4530

約数の個数: 20

約数和(自身を含む): 208620720

約数和(自身を除く): 44490095

約数列:

[1, 5, 25, 59, 125, 295, 625, 1475, 4451, 7375, 22255, 36875, 111275, 262609, 556375, 1313045, 2781875, 6565225, 32826125, 164130625]

約数ペア:

[(1, 164130625), (5, 32826125), (25, 6565225), (59, 2781875), (125, 1313045), (295, 556375), (625, 262609), (1475, 111275), (4451, 36875), (7375, 22255)]