81376075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1487}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 110707200

約数和(自身を除く): 29331125

約数列:

[1, 5, 11, 25, 55, 199, 275, 995, 1487, 2189, 4975, 7435, 10945, 16357, 37175, 54725, 81785, 295913, 408925, 1479565, 3255043, 7397825, 16275215, 81376075]

約数ペア:

[(1, 81376075), (5, 16275215), (11, 7397825), (25, 3255043), (55, 1479565), (199, 408925), (275, 295913), (995, 81785), (1487, 54725), (2189, 37175), (4975, 16357), (7435, 10945)]