87880825

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 111421440

約数和(自身を除く): 23540615

約数列:

[1, 5, 25, 89, 127, 311, 445, 635, 1555, 2225, 3175, 7775, 11303, 27679, 39497, 56515, 138395, 197485, 282575, 691975, 987425, 3515233, 17576165, 87880825]

約数ペア:

[(1, 87880825), (5, 17576165), (25, 3515233), (89, 987425), (127, 691975), (311, 282575), (445, 197485), (635, 138395), (1555, 56515), (2225, 39497), (3175, 27679), (7775, 11303)]