109239220

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{8521}}^1$

素因数の和:9171

約数の個数: 24

約数和(自身を含む): 229787208

約数和(自身を除く): 120547988

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 8521, 12820, 17042, 34084, 42605, 85210, 170420, 5461961, 10923922, 21847844, 27309805, 54619610, 109239220]

約数ペア:

[(1, 109239220), (2, 54619610), (4, 27309805), (5, 21847844), (10, 10923922), (20, 5461961), (641, 170420), (1282, 85210), (2564, 42605), (3205, 34084), (6410, 17042), (8521, 12820)]