15895240

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2297}}^1$

素因数の和:2481

約数の個数: 32

約数和(自身を含む): 35986680

約数和(自身を除く): 20091440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 2297, 3460, 4594, 6920, 9188, 11485, 18376, 22970, 45940, 91880, 397381, 794762, 1589524, 1986905, 3179048, 3973810, 7947620, 15895240]

約数ペア:

[(1, 15895240), (2, 7947620), (4, 3973810), (5, 3179048), (8, 1986905), (10, 1589524), (20, 794762), (40, 397381), (173, 91880), (346, 45940), (692, 22970), (865, 18376), (1384, 11485), (1730, 9188), (2297, 6920), (3460, 4594)]