30815525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1789}}^1$

素因数の和:1865

約数の個数: 24

約数和(自身を含む): 41950440

約数和(自身を除く): 11134915

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 1789, 3445, 8945, 17225, 23257, 44725, 94817, 116285, 474085, 581425, 1232621, 2370425, 6163105, 30815525]

約数ペア:

[(1, 30815525), (5, 6163105), (13, 2370425), (25, 1232621), (53, 581425), (65, 474085), (265, 116285), (325, 94817), (689, 44725), (1325, 23257), (1789, 17225), (3445, 8945)]