72906620

素因数分解:

$2^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{3323}}^1$

素因数の和:4429

約数の個数: 24

約数和(自身を含む): 153289584

約数和(自身を除く): 80382964

約数列:

[1, 2, 4, 5, 10, 20, 1097, 2194, 3323, 4388, 5485, 6646, 10970, 13292, 16615, 21940, 33230, 66460, 3645331, 7290662, 14581324, 18226655, 36453310, 72906620]

約数ペア:

[(1, 72906620), (2, 36453310), (4, 18226655), (5, 14581324), (10, 7290662), (20, 3645331), (1097, 66460), (2194, 33230), (3323, 21940), (4388, 16615), (5485, 13292), (6646, 10970)]