77791460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{34421}}^1$

素因数の和:34543

約数の個数: 24

約数和(自身を含む): 164812536

約数和(自身を除く): 87021076

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 34421, 68842, 137684, 172105, 344210, 688420, 3889573, 7779146, 15558292, 19447865, 38895730, 77791460]

約数ペア:

[(1, 77791460), (2, 38895730), (4, 19447865), (5, 15558292), (10, 7779146), (20, 3889573), (113, 688420), (226, 344210), (452, 172105), (565, 137684), (1130, 68842), (2260, 34421)]