51123880

素因数分解:

$2^3\times 5^1\times {\mathrm{1278097}}^1$

素因数の和:1278108

約数の個数: 16

約数和(自身を含む): 115028820

約数和(自身を除く): 63904940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1278097, 2556194, 5112388, 6390485, 10224776, 12780970, 25561940, 51123880]

約数ペア:

[(1, 51123880), (2, 25561940), (4, 12780970), (5, 10224776), (8, 6390485), (10, 5112388), (20, 2556194), (40, 1278097)]