22017400

素因数分解:

$2^3\times 5^2\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 51503400

約数和(自身を除く): 29486000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 283, 389, 566, 778, 1132, 1415, 1556, 1945, 2264, 2830, 3112, 3890, 5660, 7075, 7780, 9725, 11320, 14150, 15560, 19450, 28300, 38900, 56600, 77800, 110087, 220174, 440348, 550435, 880696, 1100870, 2201740, 2752175, 4403480, 5504350, 11008700, 22017400]

約数ペア:

[(1, 22017400), (2, 11008700), (4, 5504350), (5, 4403480), (8, 2752175), (10, 2201740), (20, 1100870), (25, 880696), (40, 550435), (50, 440348), (100, 220174), (200, 110087), (283, 77800), (389, 56600), (566, 38900), (778, 28300), (1132, 19450), (1415, 15560), (1556, 14150), (1945, 11320), (2264, 9725), (2830, 7780), (3112, 7075), (3890, 5660)]