12824500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:2005

約数の個数: 48

約数和(自身を含む): 30178512

約数和(自身を除く): 17354012

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 1973, 3250, 3946, 6500, 7892, 9865, 19730, 25649, 39460, 49325, 51298, 98650, 102596, 128245, 197300, 246625, 256490, 493250, 512980, 641225, 986500, 1282450, 2564900, 3206125, 6412250, 12824500]

約数ペア:

[(1, 12824500), (2, 6412250), (4, 3206125), (5, 2564900), (10, 1282450), (13, 986500), (20, 641225), (25, 512980), (26, 493250), (50, 256490), (52, 246625), (65, 197300), (100, 128245), (125, 102596), (130, 98650), (250, 51298), (260, 49325), (325, 39460), (500, 25649), (650, 19730), (1300, 9865), (1625, 7892), (1973, 6500), (3250, 3946)]