51546760

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 119347200

約数和(自身を除く): 67800440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 127, 139, 146, 254, 278, 292, 365, 508, 556, 584, 635, 695, 730, 1016, 1112, 1270, 1390, 1460, 2540, 2780, 2920, 5080, 5560, 9271, 10147, 17653, 18542, 20294, 35306, 37084, 40588, 46355, 50735, 70612, 74168, 81176, 88265, 92710, 101470, 141224, 176530, 185420, 202940, 353060, 370840, 405880, 706120, 1288669, 2577338, 5154676, 6443345, 10309352, 12886690, 25773380, 51546760]

約数ペア:

[(1, 51546760), (2, 25773380), (4, 12886690), (5, 10309352), (8, 6443345), (10, 5154676), (20, 2577338), (40, 1288669), (73, 706120), (127, 405880), (139, 370840), (146, 353060), (254, 202940), (278, 185420), (292, 176530), (365, 141224), (508, 101470), (556, 92710), (584, 88265), (635, 81176), (695, 74168), (730, 70612), (1016, 50735), (1112, 46355), (1270, 40588), (1390, 37084), (1460, 35306), (2540, 20294), (2780, 18542), (2920, 17653), (5080, 10147), (5560, 9271)]