2564900

素因数分解:

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

素因数の和:2000

約数の個数: 36

約数和(自身を含む): 5997012

約数和(自身を除く): 3432112

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1973, 3946, 7892, 9865, 19730, 25649, 39460, 49325, 51298, 98650, 102596, 128245, 197300, 256490, 512980, 641225, 1282450, 2564900]

約数ペア:

[(1, 2564900), (2, 1282450), (4, 641225), (5, 512980), (10, 256490), (13, 197300), (20, 128245), (25, 102596), (26, 98650), (50, 51298), (52, 49325), (65, 39460), (100, 25649), (130, 19730), (260, 9865), (325, 7892), (650, 3946), (1300, 1973)]