22255000

素因数分解:

$2^3\times 5^4\times {\mathrm{4451}}^1$

素因数の和:4477

約数の個数: 40

約数和(自身を含む): 52155180

約数和(自身を除く): 29900180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 4451, 5000, 8902, 17804, 22255, 35608, 44510, 89020, 111275, 178040, 222550, 445100, 556375, 890200, 1112750, 2225500, 2781875, 4451000, 5563750, 11127500, 22255000]

約数ペア:

[(1, 22255000), (2, 11127500), (4, 5563750), (5, 4451000), (8, 2781875), (10, 2225500), (20, 1112750), (25, 890200), (40, 556375), (50, 445100), (100, 222550), (125, 178040), (200, 111275), (250, 89020), (500, 44510), (625, 35608), (1000, 22255), (1250, 17804), (2500, 8902), (4451, 5000)]