13543940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 29635200

約数和(自身を除く): 16091260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 199, 205, 332, 398, 410, 415, 796, 820, 830, 995, 1660, 1990, 3403, 3980, 6806, 8159, 13612, 16318, 16517, 17015, 32636, 33034, 34030, 40795, 66068, 68060, 81590, 82585, 163180, 165170, 330340, 677197, 1354394, 2708788, 3385985, 6771970, 13543940]

約数ペア:

[(1, 13543940), (2, 6771970), (4, 3385985), (5, 2708788), (10, 1354394), (20, 677197), (41, 330340), (82, 165170), (83, 163180), (164, 82585), (166, 81590), (199, 68060), (205, 66068), (332, 40795), (398, 34030), (410, 33034), (415, 32636), (796, 17015), (820, 16517), (830, 16318), (995, 13612), (1660, 8159), (1990, 6806), (3403, 3980)]