56556972940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1587787}}^1$

素因数の和:1587946

約数の個数: 48

約数和(自身を含む): 128839469472

約数和(自身を除く): 72282496532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 8905, 17810, 35620, 1587787, 3175574, 6351148, 7938935, 15877870, 20641231, 31755740, 41282462, 82564924, 103206155, 206412310, 217526819, 412824620, 435053638, 870107276, 1087634095, 2175268190, 2827848647, 4350536380, 5655697294, 11311394588, 14139243235, 28278486470, 56556972940]

約数ペア:

[(1, 56556972940), (2, 28278486470), (4, 14139243235), (5, 11311394588), (10, 5655697294), (13, 4350536380), (20, 2827848647), (26, 2175268190), (52, 1087634095), (65, 870107276), (130, 435053638), (137, 412824620), (260, 217526819), (274, 206412310), (548, 103206155), (685, 82564924), (1370, 41282462), (1781, 31755740), (2740, 20641231), (3562, 15877870), (7124, 7938935), (8905, 6351148), (17810, 3175574), (35620, 1587787)]