54118025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{12809}}^1$

素因数の和:12845

約数の個数: 18

約数和(自身を含む): 72671130

約数和(自身を除く): 18553105

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 12809, 64045, 166517, 320225, 832585, 2164721, 4162925, 10823605, 54118025]

約数ペア:

[(1, 54118025), (5, 10823605), (13, 4162925), (25, 2164721), (65, 832585), (169, 320225), (325, 166517), (845, 64045), (4225, 12809)]