28872500

素因数分解:

$2^2\times 5^4\times {\mathrm{11549}}^1$

素因数の和:11573

約数の個数: 30

約数和(自身を含む): 63143850

約数和(自身を除く): 34271350

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 11549, 23098, 46196, 57745, 115490, 230980, 288725, 577450, 1154900, 1443625, 2887250, 5774500, 7218125, 14436250, 28872500]

約数ペア:

[(1, 28872500), (2, 14436250), (4, 7218125), (5, 5774500), (10, 2887250), (20, 1443625), (25, 1154900), (50, 577450), (100, 288725), (125, 230980), (250, 115490), (500, 57745), (625, 46196), (1250, 23098), (2500, 11549)]