164502040

素因数分解:

$2^3\times 5^1\times {\mathrm{4112551}}^1$

素因数の和:4112562

約数の個数: 16

約数和(自身を含む): 370129680

約数和(自身を除く): 205627640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4112551, 8225102, 16450204, 20562755, 32900408, 41125510, 82251020, 164502040]

約数ペア:

[(1, 164502040), (2, 82251020), (4, 41125510), (5, 32900408), (8, 20562755), (10, 16450204), (20, 8225102), (40, 4112551)]