12796025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 19046400

約数和(自身を除く): 6250375

約数列:

[1, 5, 11, 19, 25, 31, 55, 79, 95, 155, 209, 275, 341, 395, 475, 589, 775, 869, 1045, 1501, 1705, 1975, 2449, 2945, 4345, 5225, 6479, 7505, 8525, 12245, 14725, 16511, 21725, 26939, 32395, 37525, 46531, 61225, 82555, 134695, 161975, 232655, 412775, 511841, 673475, 1163275, 2559205, 12796025]

約数ペア:

[(1, 12796025), (5, 2559205), (11, 1163275), (19, 673475), (25, 511841), (31, 412775), (55, 232655), (79, 161975), (95, 134695), (155, 82555), (209, 61225), (275, 46531), (341, 37525), (395, 32395), (475, 26939), (589, 21725), (775, 16511), (869, 14725), (1045, 12245), (1501, 8525), (1705, 7505), (1975, 6479), (2449, 5225), (2945, 4345)]