265512910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{4093}}^1$

素因数の和:4612

約数の個数: 32

約数和(自身を含む): 515844000

約数和(自身を除く): 250331090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 499, 998, 2495, 4093, 4990, 6487, 8186, 12974, 20465, 32435, 40930, 53209, 64870, 106418, 266045, 532090, 2042407, 4084814, 10212035, 20424070, 26551291, 53102582, 132756455, 265512910]

約数ペア:

[(1, 265512910), (2, 132756455), (5, 53102582), (10, 26551291), (13, 20424070), (26, 10212035), (65, 4084814), (130, 2042407), (499, 532090), (998, 266045), (2495, 106418), (4093, 64870), (4990, 53209), (6487, 40930), (8186, 32435), (12974, 20465)]