55147070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 112907520

約数和(自身を除く): 57760450

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 89, 110, 131, 178, 215, 262, 430, 445, 473, 655, 890, 946, 979, 1310, 1441, 1958, 2365, 2882, 3827, 4730, 4895, 5633, 7205, 7654, 9790, 11266, 11659, 14410, 19135, 23318, 28165, 38270, 42097, 56330, 58295, 61963, 84194, 116590, 123926, 128249, 210485, 256498, 309815, 420970, 501337, 619630, 641245, 1002674, 1282490, 2506685, 5013370, 5514707, 11029414, 27573535, 55147070]

約数ペア:

[(1, 55147070), (2, 27573535), (5, 11029414), (10, 5514707), (11, 5013370), (22, 2506685), (43, 1282490), (55, 1002674), (86, 641245), (89, 619630), (110, 501337), (131, 420970), (178, 309815), (215, 256498), (262, 210485), (430, 128249), (445, 123926), (473, 116590), (655, 84194), (890, 61963), (946, 58295), (979, 56330), (1310, 42097), (1441, 38270), (1958, 28165), (2365, 23318), (2882, 19135), (3827, 14410), (4730, 11659), (4895, 11266), (5633, 9790), (7205, 7654)]