665709070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5120839}}^1$

素因数の和:5120859

約数の個数: 16

約数和(自身を含む): 1290451680

約数和(自身を除く): 624742610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5120839, 10241678, 25604195, 51208390, 66570907, 133141814, 332854535, 665709070]

約数ペア:

[(1, 665709070), (2, 332854535), (5, 133141814), (10, 66570907), (13, 51208390), (26, 25604195), (65, 10241678), (130, 5120839)]