8231275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 12221440

約数和(自身を除く): 3990165

約数列:

[1, 5, 13, 19, 25, 31, 43, 65, 95, 155, 215, 247, 325, 403, 475, 559, 589, 775, 817, 1075, 1235, 1333, 2015, 2795, 2945, 4085, 6175, 6665, 7657, 10075, 10621, 13975, 14725, 17329, 20425, 25327, 33325, 38285, 53105, 86645, 126635, 191425, 265525, 329251, 433225, 633175, 1646255, 8231275]

約数ペア:

[(1, 8231275), (5, 1646255), (13, 633175), (19, 433225), (25, 329251), (31, 265525), (43, 191425), (65, 126635), (95, 86645), (155, 53105), (215, 38285), (247, 33325), (325, 25327), (403, 20425), (475, 17329), (559, 14725), (589, 13975), (775, 10621), (817, 10075), (1075, 7657), (1235, 6665), (1333, 6175), (2015, 4085), (2795, 2945)]