80681860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{576299}}^1$

素因数の和:576315

約数の個数: 24

約数和(自身を含む): 193636800

約数和(自身を除く): 112954940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 576299, 1152598, 2305196, 2881495, 4034093, 5762990, 8068186, 11525980, 16136372, 20170465, 40340930, 80681860]

約数ペア:

[(1, 80681860), (2, 40340930), (4, 20170465), (5, 16136372), (7, 11525980), (10, 8068186), (14, 5762990), (20, 4034093), (28, 2881495), (35, 2305196), (70, 1152598), (140, 576299)]