25891060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99581}}^1$

素因数の和:99603

約数の個数: 24

約数和(自身を含む): 58554216

約数和(自身を除く): 32663156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99581, 199162, 398324, 497905, 995810, 1294553, 1991620, 2589106, 5178212, 6472765, 12945530, 25891060]

約数ペア:

[(1, 25891060), (2, 12945530), (4, 6472765), (5, 5178212), (10, 2589106), (13, 1991620), (20, 1294553), (26, 995810), (52, 497905), (65, 398324), (130, 199162), (260, 99581)]