2005394725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 2651616000

約数和(自身を除く): 646221275

約数列:

[1, 5, 23, 25, 89, 115, 149, 263, 445, 575, 745, 1315, 2047, 2225, 3427, 3725, 6049, 6575, 10235, 13261, 17135, 23407, 30245, 39187, 51175, 66305, 85675, 117035, 151225, 195935, 305003, 331525, 538361, 585175, 901301, 979675, 1525015, 2691805, 3487643, 4506505, 7625075, 13459025, 17438215, 22532525, 80215789, 87191075, 401078945, 2005394725]

約数ペア:

[(1, 2005394725), (5, 401078945), (23, 87191075), (25, 80215789), (89, 22532525), (115, 17438215), (149, 13459025), (263, 7625075), (445, 4506505), (575, 3487643), (745, 2691805), (1315, 1525015), (2047, 979675), (2225, 901301), (3427, 585175), (3725, 538361), (6049, 331525), (6575, 305003), (10235, 195935), (13261, 151225), (17135, 117035), (23407, 85675), (30245, 66305), (39187, 51175)]