25610780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 32812900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 719, 1370, 1438, 1781, 2740, 2876, 3562, 3595, 7124, 7190, 8905, 9347, 14380, 17810, 18694, 35620, 37388, 46735, 93470, 98503, 186940, 197006, 394012, 492515, 985030, 1280539, 1970060, 2561078, 5122156, 6402695, 12805390, 25610780]

約数ペア:

[(1, 25610780), (2, 12805390), (4, 6402695), (5, 5122156), (10, 2561078), (13, 1970060), (20, 1280539), (26, 985030), (52, 492515), (65, 394012), (130, 197006), (137, 186940), (260, 98503), (274, 93470), (548, 46735), (685, 37388), (719, 35620), (1370, 18694), (1438, 17810), (1781, 14380), (2740, 9347), (2876, 8905), (3562, 7190), (3595, 7124)]