61020625

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1206

約数の個数: 20

約数和(自身を含む): 77178420

約数和(自身を除く): 16157795

約数列:

[1, 5, 25, 89, 125, 445, 625, 1097, 2225, 5485, 11125, 27425, 55625, 97633, 137125, 488165, 685625, 2440825, 12204125, 61020625]

約数ペア:

[(1, 61020625), (5, 12204125), (25, 2440825), (89, 685625), (125, 488165), (445, 137125), (625, 97633), (1097, 55625), (2225, 27425), (5485, 11125)]