51464140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28277}}^1$

素因数の和:28306

約数の個数: 48

約数和(自身を含む): 133019712

約数和(自身を除く): 81555572

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 28277, 56554, 113108, 141385, 197939, 282770, 367601, 395878, 565540, 735202, 791756, 989695, 1470404, 1838005, 1979390, 2573207, 3676010, 3958780, 5146414, 7352020, 10292828, 12866035, 25732070, 51464140]

約数ペア:

[(1, 51464140), (2, 25732070), (4, 12866035), (5, 10292828), (7, 7352020), (10, 5146414), (13, 3958780), (14, 3676010), (20, 2573207), (26, 1979390), (28, 1838005), (35, 1470404), (52, 989695), (65, 791756), (70, 735202), (91, 565540), (130, 395878), (140, 367601), (182, 282770), (260, 197939), (364, 141385), (455, 113108), (910, 56554), (1820, 28277)]