20022500

素因数分解:

$2^2\times 5^4\times {\mathrm{8009}}^1$

素因数の和:8033

約数の個数: 30

約数和(自身を含む): 43790670

約数和(自身を除く): 23768170

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8009, 16018, 32036, 40045, 80090, 160180, 200225, 400450, 800900, 1001125, 2002250, 4004500, 5005625, 10011250, 20022500]

約数ペア:

[(1, 20022500), (2, 10011250), (4, 5005625), (5, 4004500), (10, 2002250), (20, 1001125), (25, 800900), (50, 400450), (100, 200225), (125, 160180), (250, 80090), (500, 40045), (625, 32036), (1250, 16018), (2500, 8009)]