22472500

素因数分解:

$2^2\times 5^4\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 60

約数和(自身を含む): 50187060

約数和(自身を除く): 27714560

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 101, 125, 178, 202, 250, 356, 404, 445, 500, 505, 625, 890, 1010, 1250, 1780, 2020, 2225, 2500, 2525, 4450, 5050, 8900, 8989, 10100, 11125, 12625, 17978, 22250, 25250, 35956, 44500, 44945, 50500, 55625, 63125, 89890, 111250, 126250, 179780, 222500, 224725, 252500, 449450, 898900, 1123625, 2247250, 4494500, 5618125, 11236250, 22472500]

約数ペア:

[(1, 22472500), (2, 11236250), (4, 5618125), (5, 4494500), (10, 2247250), (20, 1123625), (25, 898900), (50, 449450), (89, 252500), (100, 224725), (101, 222500), (125, 179780), (178, 126250), (202, 111250), (250, 89890), (356, 63125), (404, 55625), (445, 50500), (500, 44945), (505, 44500), (625, 35956), (890, 25250), (1010, 22250), (1250, 17978), (1780, 12625), (2020, 11125), (2225, 10100), (2500, 8989), (2525, 8900), (4450, 5050)]