204800525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1201}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 268286400

約数和(自身を除く): 63485875

約数列:

[1, 5, 19, 25, 95, 359, 475, 1201, 1795, 6005, 6821, 8975, 22819, 30025, 34105, 114095, 170525, 431159, 570475, 2155795, 8192021, 10778975, 40960105, 204800525]

約数ペア:

[(1, 204800525), (5, 40960105), (19, 10778975), (25, 8192021), (95, 2155795), (359, 570475), (475, 431159), (1201, 170525), (1795, 114095), (6005, 34105), (6821, 30025), (8975, 22819)]