15827720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8419}}^1$

素因数の和:8477

約数の個数: 32

約数和(自身を含む): 36374400

約数和(自身を除く): 20546680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 8419, 16838, 33676, 42095, 67352, 84190, 168380, 336760, 395693, 791386, 1582772, 1978465, 3165544, 3956930, 7913860, 15827720]

約数ペア:

[(1, 15827720), (2, 7913860), (4, 3956930), (5, 3165544), (8, 1978465), (10, 1582772), (20, 791386), (40, 395693), (47, 336760), (94, 168380), (188, 84190), (235, 67352), (376, 42095), (470, 33676), (940, 16838), (1880, 8419)]