69913870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{839}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 135898560

約数和(自身を除く): 65984690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 641, 839, 1282, 1678, 3205, 4195, 6410, 8333, 8390, 10907, 16666, 21814, 41665, 54535, 83330, 109070, 537799, 1075598, 2688995, 5377990, 6991387, 13982774, 34956935, 69913870]

約数ペア:

[(1, 69913870), (2, 34956935), (5, 13982774), (10, 6991387), (13, 5377990), (26, 2688995), (65, 1075598), (130, 537799), (641, 109070), (839, 83330), (1282, 54535), (1678, 41665), (3205, 21814), (4195, 16666), (6410, 10907), (8333, 8390)]