80551405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1797

約数の個数: 32

約数和(自身を含む): 113073408

約数和(自身を除く): 32522003

約数列:

[1, 5, 11, 23, 37, 55, 115, 185, 253, 407, 851, 1265, 1721, 2035, 4255, 8605, 9361, 18931, 39583, 46805, 63677, 94655, 197915, 318385, 435413, 700447, 1464571, 2177065, 3502235, 7322855, 16110281, 80551405]

約数ペア:

[(1, 80551405), (5, 16110281), (11, 7322855), (23, 3502235), (37, 2177065), (55, 1464571), (115, 700447), (185, 435413), (253, 318385), (407, 197915), (851, 94655), (1265, 63677), (1721, 46805), (2035, 39583), (4255, 18931), (8605, 9361)]