56405540

素因数分解:

$2^2\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{1889}}^1$

素因数の和:3391

約数の個数: 24

約数和(自身を含む): 118593720

約数和(自身を除く): 62188180

約数列:

[1, 2, 4, 5, 10, 20, 1493, 1889, 2986, 3778, 5972, 7465, 7556, 9445, 14930, 18890, 29860, 37780, 2820277, 5640554, 11281108, 14101385, 28202770, 56405540]

約数ペア:

[(1, 56405540), (2, 28202770), (4, 14101385), (5, 11281108), (10, 5640554), (20, 2820277), (1493, 37780), (1889, 29860), (2986, 18890), (3778, 14930), (5972, 9445), (7465, 7556)]