13486640

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{641}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 31524768

約数和(自身を除く): 18038128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 641, 1052, 1282, 1315, 2104, 2564, 2630, 3205, 4208, 5128, 5260, 6410, 10256, 10520, 12820, 21040, 25640, 51280, 168583, 337166, 674332, 842915, 1348664, 1685830, 2697328, 3371660, 6743320, 13486640]

約数ペア:

[(1, 13486640), (2, 6743320), (4, 3371660), (5, 2697328), (8, 1685830), (10, 1348664), (16, 842915), (20, 674332), (40, 337166), (80, 168583), (263, 51280), (526, 25640), (641, 21040), (1052, 12820), (1282, 10520), (1315, 10256), (2104, 6410), (2564, 5260), (2630, 5128), (3205, 4208)]