22122500

素因数分解:

$2^2\times 5^4\times {\mathrm{8849}}^1$

素因数の和:8873

約数の個数: 30

約数和(自身を含む): 48382950

約数和(自身を除く): 26260450

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8849, 17698, 35396, 44245, 88490, 176980, 221225, 442450, 884900, 1106125, 2212250, 4424500, 5530625, 11061250, 22122500]

約数ペア:

[(1, 22122500), (2, 11061250), (4, 5530625), (5, 4424500), (10, 2212250), (20, 1106125), (25, 884900), (50, 442450), (100, 221225), (125, 176980), (250, 88490), (500, 44245), (625, 35396), (1250, 17698), (2500, 8849)]