80022500

素因数分解:

$2^2\times 5^4\times {\mathrm{32009}}^1$

素因数の和:32033

約数の個数: 30

約数和(自身を含む): 174998670

約数和(自身を除く): 94976170

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 32009, 64018, 128036, 160045, 320090, 640180, 800225, 1600450, 3200900, 4001125, 8002250, 16004500, 20005625, 40011250, 80022500]

約数ペア:

[(1, 80022500), (2, 40011250), (4, 20005625), (5, 16004500), (10, 8002250), (20, 4001125), (25, 3200900), (50, 1600450), (100, 800225), (125, 640180), (250, 320090), (500, 160045), (625, 128036), (1250, 64018), (2500, 32009)]