11421880

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1009}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 25815600

約数和(自身を除く): 14393720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1009, 1132, 1415, 2018, 2264, 2830, 4036, 5045, 5660, 8072, 10090, 11320, 20180, 40360, 285547, 571094, 1142188, 1427735, 2284376, 2855470, 5710940, 11421880]

約数ペア:

[(1, 11421880), (2, 5710940), (4, 2855470), (5, 2284376), (8, 1427735), (10, 1142188), (20, 571094), (40, 285547), (283, 40360), (566, 20180), (1009, 11320), (1132, 10090), (1415, 8072), (2018, 5660), (2264, 5045), (2830, 4036)]