55421500

素因数分解:

$2^2\times 5^3\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 121867200

約数和(自身を除く): 66445700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 250, 398, 500, 557, 796, 995, 1114, 1990, 2228, 2785, 3980, 4975, 5570, 9950, 11140, 13925, 19900, 24875, 27850, 49750, 55700, 69625, 99500, 110843, 139250, 221686, 278500, 443372, 554215, 1108430, 2216860, 2771075, 5542150, 11084300, 13855375, 27710750, 55421500]

約数ペア:

[(1, 55421500), (2, 27710750), (4, 13855375), (5, 11084300), (10, 5542150), (20, 2771075), (25, 2216860), (50, 1108430), (100, 554215), (125, 443372), (199, 278500), (250, 221686), (398, 139250), (500, 110843), (557, 99500), (796, 69625), (995, 55700), (1114, 49750), (1990, 27850), (2228, 24875), (2785, 19900), (3980, 13925), (4975, 11140), (5570, 9950)]