22370000

素因数分解:

$2^4\times 5^4\times {\mathrm{2237}}^1$

素因数の和:2265

約数の個数: 50

約数和(自身を含む): 54184218

約数和(自身を除く): 31814218

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2237, 2500, 4474, 5000, 8948, 10000, 11185, 17896, 22370, 35792, 44740, 55925, 89480, 111850, 178960, 223700, 279625, 447400, 559250, 894800, 1118500, 1398125, 2237000, 2796250, 4474000, 5592500, 11185000, 22370000]

約数ペア:

[(1, 22370000), (2, 11185000), (4, 5592500), (5, 4474000), (8, 2796250), (10, 2237000), (16, 1398125), (20, 1118500), (25, 894800), (40, 559250), (50, 447400), (80, 279625), (100, 223700), (125, 178960), (200, 111850), (250, 89480), (400, 55925), (500, 44740), (625, 35792), (1000, 22370), (1250, 17896), (2000, 11185), (2237, 10000), (2500, 8948), (4474, 5000)]