66065540

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2053}}^1$

素因数の和:3671

約数の個数: 24

約数和(自身を含む): 138891480

約数和(自身を除く): 72825940

約数列:

[1, 2, 4, 5, 10, 20, 1609, 2053, 3218, 4106, 6436, 8045, 8212, 10265, 16090, 20530, 32180, 41060, 3303277, 6606554, 13213108, 16516385, 33032770, 66065540]

約数ペア:

[(1, 66065540), (2, 33032770), (4, 16516385), (5, 13213108), (10, 6606554), (20, 3303277), (1609, 41060), (2053, 32180), (3218, 20530), (4106, 16090), (6436, 10265), (8045, 8212)]