54163820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 118272000

約数和(自身を除く): 64108180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 199, 310, 398, 439, 620, 796, 878, 995, 1756, 1990, 2195, 3980, 4390, 6169, 8780, 12338, 13609, 24676, 27218, 30845, 54436, 61690, 68045, 87361, 123380, 136090, 174722, 272180, 349444, 436805, 873610, 1747220, 2708191, 5416382, 10832764, 13540955, 27081910, 54163820]

約数ペア:

[(1, 54163820), (2, 27081910), (4, 13540955), (5, 10832764), (10, 5416382), (20, 2708191), (31, 1747220), (62, 873610), (124, 436805), (155, 349444), (199, 272180), (310, 174722), (398, 136090), (439, 123380), (620, 87361), (796, 68045), (878, 61690), (995, 54436), (1756, 30845), (1990, 27218), (2195, 24676), (3980, 13609), (4390, 12338), (6169, 8780)]