40166830

素因数分解:

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

素因数の和:265

約数の個数: 64

約数和(自身を含む): 82736640

約数和(自身を除く): 42569810

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 71, 74, 110, 139, 142, 185, 278, 355, 370, 407, 695, 710, 781, 814, 1390, 1529, 1562, 2035, 2627, 3058, 3905, 4070, 5143, 5254, 7645, 7810, 9869, 10286, 13135, 15290, 19738, 25715, 26270, 28897, 49345, 51430, 56573, 57794, 98690, 108559, 113146, 144485, 217118, 282865, 288970, 365153, 542795, 565730, 730306, 1085590, 1825765, 3651530, 4016683, 8033366, 20083415, 40166830]

約数ペア:

[(1, 40166830), (2, 20083415), (5, 8033366), (10, 4016683), (11, 3651530), (22, 1825765), (37, 1085590), (55, 730306), (71, 565730), (74, 542795), (110, 365153), (139, 288970), (142, 282865), (185, 217118), (278, 144485), (355, 113146), (370, 108559), (407, 98690), (695, 57794), (710, 56573), (781, 51430), (814, 49345), (1390, 28897), (1529, 26270), (1562, 25715), (2035, 19738), (2627, 15290), (3058, 13135), (3905, 10286), (4070, 9869), (5143, 7810), (5254, 7645)]