9122420

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1039}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 19219200

約数和(自身を除く): 10096780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1039, 1756, 2078, 2195, 4156, 4390, 5195, 8780, 10390, 20780, 456121, 912242, 1824484, 2280605, 4561210, 9122420]

約数ペア:

[(1, 9122420), (2, 4561210), (4, 2280605), (5, 1824484), (10, 912242), (20, 456121), (439, 20780), (878, 10390), (1039, 8780), (1756, 5195), (2078, 4390), (2195, 4156)]