1294073680

素因数分解:

$2^4\times 5^1\times {\mathrm{16175921}}^1$

素因数の和:16175934

約数の個数: 20

約数和(自身を含む): 3008721492

約数和(自身を除く): 1714647812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16175921, 32351842, 64703684, 80879605, 129407368, 161759210, 258814736, 323518420, 647036840, 1294073680]

約数ペア:

[(1, 1294073680), (2, 647036840), (4, 323518420), (5, 258814736), (8, 161759210), (10, 129407368), (16, 80879605), (20, 64703684), (40, 32351842), (80, 16175921)]