25453900

素因数分解:

$2^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{769}}^1$

素因数の和:1114

約数の個数: 36

約数和(自身を含む): 55473880

約数和(自身を除く): 30019980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 331, 662, 769, 1324, 1538, 1655, 3076, 3310, 3845, 6620, 7690, 8275, 15380, 16550, 19225, 33100, 38450, 76900, 254539, 509078, 1018156, 1272695, 2545390, 5090780, 6363475, 12726950, 25453900]

約数ペア:

[(1, 25453900), (2, 12726950), (4, 6363475), (5, 5090780), (10, 2545390), (20, 1272695), (25, 1018156), (50, 509078), (100, 254539), (331, 76900), (662, 38450), (769, 33100), (1324, 19225), (1538, 16550), (1655, 15380), (3076, 8275), (3310, 7690), (3845, 6620)]