13828540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 18104900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 263, 478, 526, 956, 1052, 1195, 1315, 2390, 2629, 2630, 2893, 4780, 5258, 5260, 5786, 10516, 11572, 13145, 14465, 26290, 28930, 52580, 57860, 62857, 125714, 251428, 314285, 628570, 691427, 1257140, 1382854, 2765708, 3457135, 6914270, 13828540]

約数ペア:

[(1, 13828540), (2, 6914270), (4, 3457135), (5, 2765708), (10, 1382854), (11, 1257140), (20, 691427), (22, 628570), (44, 314285), (55, 251428), (110, 125714), (220, 62857), (239, 57860), (263, 52580), (478, 28930), (526, 26290), (956, 14465), (1052, 13145), (1195, 11572), (1315, 10516), (2390, 5786), (2629, 5260), (2630, 5258), (2893, 4780)]