22687960

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2207}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 51269760

約数和(自身を除く): 28581800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2207, 2570, 4414, 5140, 8828, 10280, 11035, 17656, 22070, 44140, 88280, 567199, 1134398, 2268796, 2835995, 4537592, 5671990, 11343980, 22687960]

約数ペア:

[(1, 22687960), (2, 11343980), (4, 5671990), (5, 4537592), (8, 2835995), (10, 2268796), (20, 1134398), (40, 567199), (257, 88280), (514, 44140), (1028, 22070), (1285, 17656), (2056, 11035), (2207, 10280), (2570, 8828), (4414, 5140)]