54999620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1063}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 125126400

約数和(自身を除く): 70126780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1063, 1990, 2126, 2587, 3980, 4252, 5174, 5315, 10348, 10630, 12935, 13819, 21260, 25870, 27638, 51740, 55276, 69095, 138190, 211537, 276380, 423074, 846148, 1057685, 2115370, 2749981, 4230740, 5499962, 10999924, 13749905, 27499810, 54999620]

約数ペア:

[(1, 54999620), (2, 27499810), (4, 13749905), (5, 10999924), (10, 5499962), (13, 4230740), (20, 2749981), (26, 2115370), (52, 1057685), (65, 846148), (130, 423074), (199, 276380), (260, 211537), (398, 138190), (796, 69095), (995, 55276), (1063, 51740), (1990, 27638), (2126, 25870), (2587, 21260), (3980, 13819), (4252, 12935), (5174, 10630), (5315, 10348)]