8666020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3581}}^1$

素因数の和:3612

約数の個数: 36

約数和(自身を含む): 20009052

約数和(自身を除く): 11343032

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3581, 7162, 14324, 17905, 35810, 39391, 71620, 78782, 157564, 196955, 393910, 433301, 787820, 866602, 1733204, 2166505, 4333010, 8666020]

約数ペア:

[(1, 8666020), (2, 4333010), (4, 2166505), (5, 1733204), (10, 866602), (11, 787820), (20, 433301), (22, 393910), (44, 196955), (55, 157564), (110, 78782), (121, 71620), (220, 39391), (242, 35810), (484, 17905), (605, 14324), (1210, 7162), (2420, 3581)]