55405400

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1993}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 129809400

約数和(自身を除く): 74404000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 1112, 1390, 1993, 2780, 3475, 3986, 5560, 6950, 7972, 9965, 13900, 15944, 19930, 27800, 39860, 49825, 79720, 99650, 199300, 277027, 398600, 554054, 1108108, 1385135, 2216216, 2770270, 5540540, 6925675, 11081080, 13851350, 27702700, 55405400]

約数ペア:

[(1, 55405400), (2, 27702700), (4, 13851350), (5, 11081080), (8, 6925675), (10, 5540540), (20, 2770270), (25, 2216216), (40, 1385135), (50, 1108108), (100, 554054), (139, 398600), (200, 277027), (278, 199300), (556, 99650), (695, 79720), (1112, 49825), (1390, 39860), (1993, 27800), (2780, 19930), (3475, 15944), (3986, 13900), (5560, 9965), (6950, 7972)]