12882500

素因数分解:

$2^2\times 5^4\times {\mathrm{5153}}^1$

素因数の和:5177

約数の個数: 30

約数和(自身を含む): 28176918

約数和(自身を除く): 15294418

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 5153, 10306, 20612, 25765, 51530, 103060, 128825, 257650, 515300, 644125, 1288250, 2576500, 3220625, 6441250, 12882500]

約数ペア:

[(1, 12882500), (2, 6441250), (4, 3220625), (5, 2576500), (10, 1288250), (20, 644125), (25, 515300), (50, 257650), (100, 128825), (125, 103060), (250, 51530), (500, 25765), (625, 20612), (1250, 10306), (2500, 5153)]