2646500

素因数分解:

$2^2\times 5^3\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 5940480

約数和(自身を除く): 3293980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 79, 100, 125, 134, 158, 250, 268, 316, 335, 395, 500, 670, 790, 1340, 1580, 1675, 1975, 3350, 3950, 5293, 6700, 7900, 8375, 9875, 10586, 16750, 19750, 21172, 26465, 33500, 39500, 52930, 105860, 132325, 264650, 529300, 661625, 1323250, 2646500]

約数ペア:

[(1, 2646500), (2, 1323250), (4, 661625), (5, 529300), (10, 264650), (20, 132325), (25, 105860), (50, 52930), (67, 39500), (79, 33500), (100, 26465), (125, 21172), (134, 19750), (158, 16750), (250, 10586), (268, 9875), (316, 8375), (335, 7900), (395, 6700), (500, 5293), (670, 3950), (790, 3350), (1340, 1975), (1580, 1675)]