2539580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2953}}^1$

素因数の和:3005

約数の個数: 24

約数和(自身を含む): 5458992

約数和(自身を除く): 2919412

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2953, 5906, 11812, 14765, 29530, 59060, 126979, 253958, 507916, 634895, 1269790, 2539580]

約数ペア:

[(1, 2539580), (2, 1269790), (4, 634895), (5, 507916), (10, 253958), (20, 126979), (43, 59060), (86, 29530), (172, 14765), (215, 11812), (430, 5906), (860, 2953)]