52539980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 113836800

約数和(自身を除く): 61296820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 199, 215, 307, 398, 430, 614, 796, 860, 995, 1228, 1535, 1990, 3070, 3980, 6140, 8557, 13201, 17114, 26402, 34228, 42785, 52804, 61093, 66005, 85570, 122186, 132010, 171140, 244372, 264020, 305465, 610930, 1221860, 2626999, 5253998, 10507996, 13134995, 26269990, 52539980]

約数ペア:

[(1, 52539980), (2, 26269990), (4, 13134995), (5, 10507996), (10, 5253998), (20, 2626999), (43, 1221860), (86, 610930), (172, 305465), (199, 264020), (215, 244372), (307, 171140), (398, 132010), (430, 122186), (614, 85570), (796, 66005), (860, 61093), (995, 52804), (1228, 42785), (1535, 34228), (1990, 26402), (3070, 17114), (3980, 13201), (6140, 8557)]