26280440

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2749}}^1$

素因数の和:2999

約数の個数: 32

約数和(自身を含む): 59400000

約数和(自身を除く): 33119560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 2749, 4780, 5498, 9560, 10996, 13745, 21992, 27490, 54980, 109960, 657011, 1314022, 2628044, 3285055, 5256088, 6570110, 13140220, 26280440]

約数ペア:

[(1, 26280440), (2, 13140220), (4, 6570110), (5, 5256088), (8, 3285055), (10, 2628044), (20, 1314022), (40, 657011), (239, 109960), (478, 54980), (956, 27490), (1195, 21992), (1912, 13745), (2390, 10996), (2749, 9560), (4780, 5498)]