65085880

素因数分解:

$2^3\times 5^1\times {\mathrm{1627147}}^1$

素因数の和:1627158

約数の個数: 16

約数和(自身を含む): 146443320

約数和(自身を除く): 81357440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1627147, 3254294, 6508588, 8135735, 13017176, 16271470, 32542940, 65085880]

約数ペア:

[(1, 65085880), (2, 32542940), (4, 16271470), (5, 13017176), (8, 8135735), (10, 6508588), (20, 3254294), (40, 1627147)]