28458260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33091}}^1$

素因数の和:33143

約数の個数: 24

約数和(自身を含む): 61154016

約数和(自身を除く): 32695756

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 33091, 66182, 132364, 165455, 330910, 661820, 1422913, 2845826, 5691652, 7114565, 14229130, 28458260]

約数ペア:

[(1, 28458260), (2, 14229130), (4, 7114565), (5, 5691652), (10, 2845826), (20, 1422913), (43, 661820), (86, 330910), (172, 165455), (215, 132364), (430, 66182), (860, 33091)]