28946440

素因数分解:

$2^3\times 5^1\times {\mathrm{723661}}^1$

素因数の和:723672

約数の個数: 16

約数和(自身を含む): 65129580

約数和(自身を除く): 36183140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 723661, 1447322, 2894644, 3618305, 5789288, 7236610, 14473220, 28946440]

約数ペア:

[(1, 28946440), (2, 14473220), (4, 7236610), (5, 5789288), (8, 3618305), (10, 2894644), (20, 1447322), (40, 723661)]