54038660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10939}}^1$

素因数の和:10980

約数の個数: 48

約数和(自身を含む): 128654400

約数和(自身を除く): 74615740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 10939, 21878, 43756, 54695, 109390, 142207, 207841, 218780, 284414, 415682, 568828, 711035, 831364, 1039205, 1422070, 2078410, 2701933, 2844140, 4156820, 5403866, 10807732, 13509665, 27019330, 54038660]

約数ペア:

[(1, 54038660), (2, 27019330), (4, 13509665), (5, 10807732), (10, 5403866), (13, 4156820), (19, 2844140), (20, 2701933), (26, 2078410), (38, 1422070), (52, 1039205), (65, 831364), (76, 711035), (95, 568828), (130, 415682), (190, 284414), (247, 218780), (260, 207841), (380, 142207), (494, 109390), (988, 54695), (1235, 43756), (2470, 21878), (4940, 10939)]