327897140

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{25577}}^1$

素因数の和:26227

約数の個数: 24

約数和(自身を含む): 689685192

約数和(自身を除く): 361788052

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 25577, 51154, 102308, 127885, 255770, 511540, 16394857, 32789714, 65579428, 81974285, 163948570, 327897140]

約数ペア:

[(1, 327897140), (2, 163948570), (4, 81974285), (5, 65579428), (10, 32789714), (20, 16394857), (641, 511540), (1282, 255770), (2564, 127885), (3205, 102308), (6410, 51154), (12820, 25577)]