2564090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 4847040

約数和(自身を除く): 2282950

約数列:

[1, 2, 5, 10, 43, 67, 86, 89, 134, 178, 215, 335, 430, 445, 670, 890, 2881, 3827, 5762, 5963, 7654, 11926, 14405, 19135, 28810, 29815, 38270, 59630, 256409, 512818, 1282045, 2564090]

約数ペア:

[(1, 2564090), (2, 1282045), (5, 512818), (10, 256409), (43, 59630), (67, 38270), (86, 29815), (89, 28810), (134, 19135), (178, 14405), (215, 11926), (335, 7654), (430, 5963), (445, 5762), (670, 3827), (890, 2881)]