78039760

素因数分解:

$2^4\times 5^1\times {\mathrm{975497}}^1$

素因数の和:975510

約数の個数: 20

約数和(自身を含む): 181442628

約数和(自身を除く): 103402868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 975497, 1950994, 3901988, 4877485, 7803976, 9754970, 15607952, 19509940, 39019880, 78039760]

約数ペア:

[(1, 78039760), (2, 39019880), (4, 19509940), (5, 15607952), (8, 9754970), (10, 7803976), (16, 4877485), (20, 3901988), (40, 1950994), (80, 975497)]