20161031390

素因数分解:

$2^1\times 5^1\times {\mathrm{7907}}^1\times {\mathrm{254977}}^1$

素因数の和:262891

約数の個数: 16

約数和(自身を含む): 36294588432

約数和(自身を除く): 16133557042

約数列:

[1, 2, 5, 10, 7907, 15814, 39535, 79070, 254977, 509954, 1274885, 2549770, 2016103139, 4032206278, 10080515695, 20161031390]

約数ペア:

[(1, 20161031390), (2, 10080515695), (5, 4032206278), (10, 2016103139), (7907, 2549770), (15814, 1274885), (39535, 509954), (79070, 254977)]