55381480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17981}}^1$

素因数の和:18010

約数の個数: 64

約数和(自身を含む): 155364480

約数和(自身を除く): 99983000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 17981, 35962, 71924, 89905, 125867, 143848, 179810, 197791, 251734, 359620, 395582, 503468, 629335, 719240, 791164, 988955, 1006936, 1258670, 1384537, 1582328, 1977910, 2517340, 2769074, 3955820, 5034680, 5538148, 6922685, 7911640, 11076296, 13845370, 27690740, 55381480]

約数ペア:

[(1, 55381480), (2, 27690740), (4, 13845370), (5, 11076296), (7, 7911640), (8, 6922685), (10, 5538148), (11, 5034680), (14, 3955820), (20, 2769074), (22, 2517340), (28, 1977910), (35, 1582328), (40, 1384537), (44, 1258670), (55, 1006936), (56, 988955), (70, 791164), (77, 719240), (88, 629335), (110, 503468), (140, 395582), (154, 359620), (220, 251734), (280, 197791), (308, 179810), (385, 143848), (440, 125867), (616, 89905), (770, 71924), (1540, 35962), (3080, 17981)]