25773380

素因数分解:

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

素因数の和:348

約数の個数: 48

約数和(自身を含む): 55695360

約数和(自身を除く): 29921980

約数列:

[1, 2, 4, 5, 10, 20, 73, 127, 139, 146, 254, 278, 292, 365, 508, 556, 635, 695, 730, 1270, 1390, 1460, 2540, 2780, 9271, 10147, 17653, 18542, 20294, 35306, 37084, 40588, 46355, 50735, 70612, 88265, 92710, 101470, 176530, 185420, 202940, 353060, 1288669, 2577338, 5154676, 6443345, 12886690, 25773380]

約数ペア:

[(1, 25773380), (2, 12886690), (4, 6443345), (5, 5154676), (10, 2577338), (20, 1288669), (73, 353060), (127, 202940), (139, 185420), (146, 176530), (254, 101470), (278, 92710), (292, 88265), (365, 70612), (508, 50735), (556, 46355), (635, 40588), (695, 37084), (730, 35306), (1270, 20294), (1390, 18542), (1460, 17653), (2540, 10147), (2780, 9271)]