8564140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32939}}^1$

素因数の和:32961

約数の個数: 24

約数和(自身を含む): 19368720

約数和(自身を除く): 10804580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32939, 65878, 131756, 164695, 329390, 428207, 658780, 856414, 1712828, 2141035, 4282070, 8564140]

約数ペア:

[(1, 8564140), (2, 4282070), (4, 2141035), (5, 1712828), (10, 856414), (13, 658780), (20, 428207), (26, 329390), (52, 164695), (65, 131756), (130, 65878), (260, 32939)]