80670865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 118506240

約数和(自身を除く): 37835375

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 239, 323, 361, 935, 1045, 1195, 1615, 1805, 2629, 3553, 3971, 4063, 4541, 6137, 13145, 17765, 19855, 20315, 22705, 30685, 44693, 49951, 67507, 77197, 86279, 223465, 249755, 337535, 385985, 431395, 849167, 949069, 1466743, 4245835, 4745345, 7333715, 16134173, 80670865]

約数ペア:

[(1, 80670865), (5, 16134173), (11, 7333715), (17, 4745345), (19, 4245835), (55, 1466743), (85, 949069), (95, 849167), (187, 431395), (209, 385985), (239, 337535), (323, 249755), (361, 223465), (935, 86279), (1045, 77197), (1195, 67507), (1615, 49951), (1805, 44693), (2629, 30685), (3553, 22705), (3971, 20315), (4063, 19855), (4541, 17765), (6137, 13145)]