108420020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{5641}}^1$

素因数の和:5712

約数の個数: 36

約数和(自身を含む): 235305252

約数和(自身を除く): 126885232

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 5641, 9610, 11282, 19220, 22564, 28205, 56410, 112820, 174871, 349742, 699484, 874355, 1748710, 3497420, 5421001, 10842002, 21684004, 27105005, 54210010, 108420020]

約数ペア:

[(1, 108420020), (2, 54210010), (4, 27105005), (5, 21684004), (10, 10842002), (20, 5421001), (31, 3497420), (62, 1748710), (124, 874355), (155, 699484), (310, 349742), (620, 174871), (961, 112820), (1922, 56410), (3844, 28205), (4805, 22564), (5641, 19220), (9610, 11282)]