13938125

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:818

約数の個数: 20

約数和(自身を含む): 18041100

約数和(自身を除く): 4102975

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 769, 3625, 3845, 18125, 19225, 22301, 96125, 111505, 480625, 557525, 2787625, 13938125]

約数ペア:

[(1, 13938125), (5, 2787625), (25, 557525), (29, 480625), (125, 111505), (145, 96125), (625, 22301), (725, 19225), (769, 18125), (3625, 3845)]