2001569180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{70627}}^1$

素因数の和:70758

約数の個数: 48

約数和(自身を含む): 4568219040

約数和(自身を除く): 2566649860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 14170, 28340, 70627, 141254, 282508, 353135, 706270, 918151, 1412540, 1836302, 3672604, 4590755, 7698343, 9181510, 15396686, 18363020, 30793372, 38491715, 76983430, 100078459, 153966860, 200156918, 400313836, 500392295, 1000784590, 2001569180]

約数ペア:

[(1, 2001569180), (2, 1000784590), (4, 500392295), (5, 400313836), (10, 200156918), (13, 153966860), (20, 100078459), (26, 76983430), (52, 38491715), (65, 30793372), (109, 18363020), (130, 15396686), (218, 9181510), (260, 7698343), (436, 4590755), (545, 3672604), (1090, 1836302), (1417, 1412540), (2180, 918151), (2834, 706270), (5668, 353135), (7085, 282508), (14170, 141254), (28340, 70627)]