28047130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39503}}^1$

素因数の和:39581

約数の個数: 16

約数和(自身を含む): 51197184

約数和(自身を除く): 23150054

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 39503, 79006, 197515, 395030, 2804713, 5609426, 14023565, 28047130]

約数ペア:

[(1, 28047130), (2, 14023565), (5, 5609426), (10, 2804713), (71, 395030), (142, 197515), (355, 79006), (710, 39503)]