1312160440

素因数分解:

$2^3\times 5^1\times {\mathrm{32804011}}^1$

素因数の和:32804022

約数の個数: 16

約数和(自身を含む): 2952361080

約数和(自身を除く): 1640200640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32804011, 65608022, 131216044, 164020055, 262432088, 328040110, 656080220, 1312160440]

約数ペア:

[(1, 1312160440), (2, 656080220), (4, 328040110), (5, 262432088), (8, 164020055), (10, 131216044), (20, 65608022), (40, 32804011)]