8266166120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1061}}^1$

素因数の和:1267

約数の個数: 128

約数和(自身を含む): 19721594880

約数和(自身を除く): 11455428760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 103, 122, 124, 155, 206, 244, 248, 305, 310, 412, 488, 515, 610, 620, 824, 1030, 1061, 1220, 1240, 1891, 2060, 2122, 2440, 3193, 3782, 4120, 4244, 5305, 6283, 6386, 7564, 8488, 9455, 10610, 12566, 12772, 15128, 15965, 18910, 21220, 25132, 25544, 31415, 31930, 32891, 37820, 42440, 50264, 62830, 63860, 64721, 65782, 75640, 109283, 125660, 127720, 129442, 131564, 164455, 194773, 218566, 251320, 258884, 263128, 323605, 328910, 389546, 437132, 517768, 546415, 647210, 657820, 779092, 874264, 973865, 1092830, 1294420, 1315640, 1558184, 1947730, 2006351, 2185660, 2588840, 3387773, 3895460, 4012702, 4371320, 6666263, 6775546, 7790920, 8025404, 10031755, 13332526, 13551092, 16050808, 16938865, 20063510, 26665052, 27102184, 33331315, 33877730, 40127020, 53330104, 66662630, 67755460, 80254040, 133325260, 135510920, 206654153, 266650520, 413308306, 826616612, 1033270765, 1653233224, 2066541530, 4133083060, 8266166120]

約数ペア:

[(1, 8266166120), (2, 4133083060), (4, 2066541530), (5, 1653233224), (8, 1033270765), (10, 826616612), (20, 413308306), (31, 266650520), (40, 206654153), (61, 135510920), (62, 133325260), (103, 80254040), (122, 67755460), (124, 66662630), (155, 53330104), (206, 40127020), (244, 33877730), (248, 33331315), (305, 27102184), (310, 26665052), (412, 20063510), (488, 16938865), (515, 16050808), (610, 13551092), (620, 13332526), (824, 10031755), (1030, 8025404), (1061, 7790920), (1220, 6775546), (1240, 6666263), (1891, 4371320), (2060, 4012702), (2122, 3895460), (2440, 3387773), (3193, 2588840), (3782, 2185660), (4120, 2006351), (4244, 1947730), (5305, 1558184), (6283, 1315640), (6386, 1294420), (7564, 1092830), (8488, 973865), (9455, 874264), (10610, 779092), (12566, 657820), (12772, 647210), (15128, 546415), (15965, 517768), (18910, 437132), (21220, 389546), (25132, 328910), (25544, 323605), (31415, 263128), (31930, 258884), (32891, 251320), (37820, 218566), (42440, 194773), (50264, 164455), (62830, 131564), (63860, 129442), (64721, 127720), (65782, 125660), (75640, 109283)]