89381090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1907}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 166224960

約数和(自身を除く): 76843870

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 430, 545, 1090, 1907, 3814, 4687, 9374, 9535, 19070, 23435, 46870, 82001, 164002, 207863, 410005, 415726, 820010, 1039315, 2078630, 8938109, 17876218, 44690545, 89381090]

約数ペア:

[(1, 89381090), (2, 44690545), (5, 17876218), (10, 8938109), (43, 2078630), (86, 1039315), (109, 820010), (215, 415726), (218, 410005), (430, 207863), (545, 164002), (1090, 82001), (1907, 46870), (3814, 23435), (4687, 19070), (9374, 9535)]