56540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 130032

約数和(自身を除く): 73492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1285, 2570, 2827, 5140, 5654, 11308, 14135, 28270, 56540]

約数ペア:

[(1, 56540), (2, 28270), (4, 14135), (5, 11308), (10, 5654), (11, 5140), (20, 2827), (22, 2570), (44, 1285), (55, 1028), (110, 514), (220, 257)]