56802140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^2$

素因数の和:566

約数の個数: 36

約数和(自身を含む): 122535336

約数和(自身を除く): 65733196

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 257, 430, 514, 860, 1028, 1285, 2570, 5140, 11051, 22102, 44204, 55255, 66049, 110510, 132098, 221020, 264196, 330245, 660490, 1320980, 2840107, 5680214, 11360428, 14200535, 28401070, 56802140]

約数ペア:

[(1, 56802140), (2, 28401070), (4, 14200535), (5, 11360428), (10, 5680214), (20, 2840107), (43, 1320980), (86, 660490), (172, 330245), (215, 264196), (257, 221020), (430, 132098), (514, 110510), (860, 66049), (1028, 55255), (1285, 44204), (2570, 22102), (5140, 11051)]