88986820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{342257}}^1$

素因数の和:342279

約数の個数: 24

約数和(自身を含む): 201247704

約数和(自身を除く): 112260884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 342257, 684514, 1369028, 1711285, 3422570, 4449341, 6845140, 8898682, 17797364, 22246705, 44493410, 88986820]

約数ペア:

[(1, 88986820), (2, 44493410), (4, 22246705), (5, 17797364), (10, 8898682), (13, 6845140), (20, 4449341), (26, 3422570), (52, 1711285), (65, 1369028), (130, 684514), (260, 342257)]