54120625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{6661}}^1$

素因数の和:6694

約数の個数: 20

約数和(自身を含む): 72842308

約数和(自身を除く): 18721683

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 6661, 8125, 33305, 86593, 166525, 432965, 832625, 2164825, 4163125, 10824125, 54120625]

約数ペア:

[(1, 54120625), (5, 10824125), (13, 4163125), (25, 2164825), (65, 832625), (125, 432965), (325, 166525), (625, 86593), (1625, 33305), (6661, 8125)]