81725500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{2069}}^1$

素因数の和:2167

約数の個数: 48

約数和(自身を含む): 180835200

約数和(自身を除く): 99109700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 790, 1580, 1975, 2069, 3950, 4138, 7900, 8276, 9875, 10345, 19750, 20690, 39500, 41380, 51725, 103450, 163451, 206900, 258625, 326902, 517250, 653804, 817255, 1034500, 1634510, 3269020, 4086275, 8172550, 16345100, 20431375, 40862750, 81725500]

約数ペア:

[(1, 81725500), (2, 40862750), (4, 20431375), (5, 16345100), (10, 8172550), (20, 4086275), (25, 3269020), (50, 1634510), (79, 1034500), (100, 817255), (125, 653804), (158, 517250), (250, 326902), (316, 258625), (395, 206900), (500, 163451), (790, 103450), (1580, 51725), (1975, 41380), (2069, 39500), (3950, 20690), (4138, 19750), (7900, 10345), (8276, 9875)]