80854865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2141}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 120911616

約数和(自身を除く): 40056751

約数列:

[1, 5, 7, 13, 35, 65, 83, 91, 415, 455, 581, 1079, 2141, 2905, 5395, 7553, 10705, 14987, 27833, 37765, 74935, 139165, 177703, 194831, 888515, 974155, 1243921, 2310139, 6219605, 11550695, 16170973, 80854865]

約数ペア:

[(1, 80854865), (5, 16170973), (7, 11550695), (13, 6219605), (35, 2310139), (65, 1243921), (83, 974155), (91, 888515), (415, 194831), (455, 177703), (581, 139165), (1079, 74935), (2141, 37765), (2905, 27833), (5395, 14987), (7553, 10705)]