12920864

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 72

約数和(自身を含む): 28957824

約数和(自身を除く): 16036960

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 71, 88, 94, 121, 142, 176, 188, 242, 284, 352, 376, 484, 517, 568, 752, 781, 968, 1034, 1136, 1504, 1562, 1936, 2068, 2272, 3124, 3337, 3872, 4136, 5687, 6248, 6674, 8272, 8591, 11374, 12496, 13348, 16544, 17182, 22748, 24992, 26696, 34364, 36707, 45496, 53392, 68728, 73414, 90992, 106784, 137456, 146828, 181984, 274912, 293656, 403777, 587312, 807554, 1174624, 1615108, 3230216, 6460432, 12920864]

約数ペア:

[(1, 12920864), (2, 6460432), (4, 3230216), (8, 1615108), (11, 1174624), (16, 807554), (22, 587312), (32, 403777), (44, 293656), (47, 274912), (71, 181984), (88, 146828), (94, 137456), (121, 106784), (142, 90992), (176, 73414), (188, 68728), (242, 53392), (284, 45496), (352, 36707), (376, 34364), (484, 26696), (517, 24992), (568, 22748), (752, 17182), (781, 16544), (968, 13348), (1034, 12496), (1136, 11374), (1504, 8591), (1562, 8272), (1936, 6674), (2068, 6248), (2272, 5687), (3124, 4136), (3337, 3872)]