20026250

素因数分解:

$2^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 40

約数和(自身を含む): 38640756

約数和(自身を除く): 18614506

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 433, 625, 866, 925, 1250, 1850, 2165, 4330, 4625, 9250, 10825, 16021, 21650, 23125, 32042, 46250, 54125, 80105, 108250, 160210, 270625, 400525, 541250, 801050, 2002625, 4005250, 10013125, 20026250]

約数ペア:

[(1, 20026250), (2, 10013125), (5, 4005250), (10, 2002625), (25, 801050), (37, 541250), (50, 400525), (74, 270625), (125, 160210), (185, 108250), (250, 80105), (370, 54125), (433, 46250), (625, 32042), (866, 23125), (925, 21650), (1250, 16021), (1850, 10825), (2165, 9250), (4330, 4625)]