2560972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 4874240

約数和(自身を除く): 2313268

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1087, 1178, 2174, 2356, 4348, 20653, 33697, 41306, 67394, 82612, 134788, 640243, 1280486, 2560972]

約数ペア:

[(1, 2560972), (2, 1280486), (4, 640243), (19, 134788), (31, 82612), (38, 67394), (62, 41306), (76, 33697), (124, 20653), (589, 4348), (1087, 2356), (1178, 2174)]