56719900

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{2207}}^1$

素因数の和:2478

約数の個数: 36

約数和(自身を含む): 123617088

約数和(自身を除く): 66897188

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 1028, 1285, 2207, 2570, 4414, 5140, 6425, 8828, 11035, 12850, 22070, 25700, 44140, 55175, 110350, 220700, 567199, 1134398, 2268796, 2835995, 5671990, 11343980, 14179975, 28359950, 56719900]

約数ペア:

[(1, 56719900), (2, 28359950), (4, 14179975), (5, 11343980), (10, 5671990), (20, 2835995), (25, 2268796), (50, 1134398), (100, 567199), (257, 220700), (514, 110350), (1028, 55175), (1285, 44140), (2207, 25700), (2570, 22070), (4414, 12850), (5140, 11035), (6425, 8828)]