1665435080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{621431}}^1$

素因数の和:621509

約数の個数: 32

約数和(自身を含む): 3803163840

約数和(自身を除く): 2137728760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 621431, 1242862, 2485724, 3107155, 4971448, 6214310, 12428620, 24857240, 41635877, 83271754, 166543508, 208179385, 333087016, 416358770, 832717540, 1665435080]

約数ペア:

[(1, 1665435080), (2, 832717540), (4, 416358770), (5, 333087016), (8, 208179385), (10, 166543508), (20, 83271754), (40, 41635877), (67, 24857240), (134, 12428620), (268, 6214310), (335, 4971448), (536, 3107155), (670, 2485724), (1340, 1242862), (2680, 621431)]