86710280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35537}}^1$

素因数の和:35609

約数の個数: 32

約数和(自身を含む): 198302040

約数和(自身を除く): 111591760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 35537, 71074, 142148, 177685, 284296, 355370, 710740, 1421480, 2167757, 4335514, 8671028, 10838785, 17342056, 21677570, 43355140, 86710280]

約数ペア:

[(1, 86710280), (2, 43355140), (4, 21677570), (5, 17342056), (8, 10838785), (10, 8671028), (20, 4335514), (40, 2167757), (61, 1421480), (122, 710740), (244, 355370), (305, 284296), (488, 177685), (610, 142148), (1220, 71074), (2440, 35537)]