8240009.00000000

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 36

約数和(自身を含む): 103718188

約数和(自身を除く): 29735763

約数列:

[1, 5, 11, 25, 37, 55, 121, 185, 275, 407, 605, 661, 925, 2035, 3025, 3305, 4477, 7271, 10175, 16525, 22385, 24457, 36355, 79981, 111925, 122285, 181775, 269027, 399905, 611425, 1345135, 1999525, 2959297, 6725675, 14796485, 73982425]

約数ペア:

[(1, 73982425), (5, 14796485), (11, 6725675), (25, 2959297), (37, 1999525), (55, 1345135), (121, 611425), (185, 399905), (275, 269027), (407, 181775), (605, 122285), (661, 111925), (925, 79981), (2035, 36355), (3025, 24457), (3305, 22385), (4477, 16525), (7271, 10175)]