8460985

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 12648960

約数和(自身を除く): 4187975

約数列:

[1, 5, 13, 17, 19, 31, 65, 85, 95, 155, 169, 221, 247, 323, 403, 527, 589, 845, 1105, 1235, 1615, 2015, 2635, 2873, 2945, 3211, 4199, 5239, 6851, 7657, 10013, 14365, 16055, 20995, 26195, 34255, 38285, 50065, 54587, 89063, 99541, 130169, 272935, 445315, 497705, 650845, 1692197, 8460985]

約数ペア:

[(1, 8460985), (5, 1692197), (13, 650845), (17, 497705), (19, 445315), (31, 272935), (65, 130169), (85, 99541), (95, 89063), (155, 54587), (169, 50065), (221, 38285), (247, 34255), (323, 26195), (403, 20995), (527, 16055), (589, 14365), (845, 10013), (1105, 7657), (1235, 6851), (1615, 5239), (2015, 4199), (2635, 3211), (2873, 2945)]