68655880

素因数分解:

$2^3\times 5^1\times {\mathrm{1716397}}^1$

素因数の和:1716408

約数の個数: 16

約数和(自身を含む): 154475820

約数和(自身を除く): 85819940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1716397, 3432794, 6865588, 8581985, 13731176, 17163970, 34327940, 68655880]

約数ペア:

[(1, 68655880), (2, 34327940), (4, 17163970), (5, 13731176), (8, 8581985), (10, 6865588), (20, 3432794), (40, 1716397)]