51559580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 111767040

約数和(自身を除く): 60207460

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 167, 172, 215, 334, 359, 430, 668, 718, 835, 860, 1436, 1670, 1795, 3340, 3590, 7180, 7181, 14362, 15437, 28724, 30874, 35905, 59953, 61748, 71810, 77185, 119906, 143620, 154370, 239812, 299765, 308740, 599530, 1199060, 2577979, 5155958, 10311916, 12889895, 25779790, 51559580]

約数ペア:

[(1, 51559580), (2, 25779790), (4, 12889895), (5, 10311916), (10, 5155958), (20, 2577979), (43, 1199060), (86, 599530), (167, 308740), (172, 299765), (215, 239812), (334, 154370), (359, 143620), (430, 119906), (668, 77185), (718, 71810), (835, 61748), (860, 59953), (1436, 35905), (1670, 30874), (1795, 28724), (3340, 15437), (3590, 14362), (7180, 7181)]