12687260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27581}}^1$

素因数の和:27613

約数の個数: 24

約数和(自身を含む): 27802656

約数和(自身を除く): 15115396

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 27581, 55162, 110324, 137905, 275810, 551620, 634363, 1268726, 2537452, 3171815, 6343630, 12687260]

約数ペア:

[(1, 12687260), (2, 6343630), (4, 3171815), (5, 2537452), (10, 1268726), (20, 634363), (23, 551620), (46, 275810), (92, 137905), (115, 110324), (230, 55162), (460, 27581)]