8142140

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{967}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 17156832

約数和(自身を除く): 9014692

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 967, 1684, 1934, 2105, 3868, 4210, 4835, 8420, 9670, 19340, 407107, 814214, 1628428, 2035535, 4071070, 8142140]

約数ペア:

[(1, 8142140), (2, 4071070), (4, 2035535), (5, 1628428), (10, 814214), (20, 407107), (421, 19340), (842, 9670), (967, 8420), (1684, 4835), (1934, 4210), (2105, 3868)]