80333660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 193052160

約数和(自身を除く): 112718500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 71, 74, 110, 139, 142, 148, 185, 220, 278, 284, 355, 370, 407, 556, 695, 710, 740, 781, 814, 1390, 1420, 1529, 1562, 1628, 2035, 2627, 2780, 3058, 3124, 3905, 4070, 5143, 5254, 6116, 7645, 7810, 8140, 9869, 10286, 10508, 13135, 15290, 15620, 19738, 20572, 25715, 26270, 28897, 30580, 39476, 49345, 51430, 52540, 56573, 57794, 98690, 102860, 108559, 113146, 115588, 144485, 197380, 217118, 226292, 282865, 288970, 365153, 434236, 542795, 565730, 577940, 730306, 1085590, 1131460, 1460612, 1825765, 2171180, 3651530, 4016683, 7303060, 8033366, 16066732, 20083415, 40166830, 80333660]

約数ペア:

[(1, 80333660), (2, 40166830), (4, 20083415), (5, 16066732), (10, 8033366), (11, 7303060), (20, 4016683), (22, 3651530), (37, 2171180), (44, 1825765), (55, 1460612), (71, 1131460), (74, 1085590), (110, 730306), (139, 577940), (142, 565730), (148, 542795), (185, 434236), (220, 365153), (278, 288970), (284, 282865), (355, 226292), (370, 217118), (407, 197380), (556, 144485), (695, 115588), (710, 113146), (740, 108559), (781, 102860), (814, 98690), (1390, 57794), (1420, 56573), (1529, 52540), (1562, 51430), (1628, 49345), (2035, 39476), (2627, 30580), (2780, 28897), (3058, 26270), (3124, 25715), (3905, 20572), (4070, 19738), (5143, 15620), (5254, 15290), (6116, 13135), (7645, 10508), (7810, 10286), (8140, 9869)]