87865700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67589}}^1$

素因数の和:67616

約数の個数: 36

約数和(自身を含む): 205338420

約数和(自身を除く): 117472720

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 67589, 135178, 270356, 337945, 675890, 878657, 1351780, 1689725, 1757314, 3379450, 3514628, 4393285, 6758900, 8786570, 17573140, 21966425, 43932850, 87865700]

約数ペア:

[(1, 87865700), (2, 43932850), (4, 21966425), (5, 17573140), (10, 8786570), (13, 6758900), (20, 4393285), (25, 3514628), (26, 3379450), (50, 1757314), (52, 1689725), (65, 1351780), (100, 878657), (130, 675890), (260, 337945), (325, 270356), (650, 135178), (1300, 67589)]