80267525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 111188196

約数和(自身を除く): 30920671

約数列:

[1, 5, 13, 25, 31, 65, 155, 257, 325, 403, 775, 961, 1285, 2015, 3341, 4805, 6425, 7967, 10075, 12493, 16705, 24025, 39835, 62465, 83525, 103571, 199175, 246977, 312325, 517855, 1234885, 2589275, 3210701, 6174425, 16053505, 80267525]

約数ペア:

[(1, 80267525), (5, 16053505), (13, 6174425), (25, 3210701), (31, 2589275), (65, 1234885), (155, 517855), (257, 312325), (325, 246977), (403, 199175), (775, 103571), (961, 83525), (1285, 62465), (2015, 39835), (3341, 24025), (4805, 16705), (6425, 12493), (7967, 10075)]