16188125

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:518

約数の個数: 20

約数和(自身を含む): 20618400

約数和(自身を除く): 4430275

約数列:

[1, 5, 25, 59, 125, 295, 439, 625, 1475, 2195, 7375, 10975, 25901, 36875, 54875, 129505, 274375, 647525, 3237625, 16188125]

約数ペア:

[(1, 16188125), (5, 3237625), (25, 647525), (59, 274375), (125, 129505), (295, 54875), (439, 36875), (625, 25901), (1475, 10975), (2195, 7375)]