1626657980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{66721}}^1$

素因数の和:66806

約数の個数: 48

約数和(自身を含む): 3631811904

約数和(自身を除く): 2005153924

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 1060, 1219, 2438, 4876, 6095, 12190, 24380, 66721, 133442, 266884, 333605, 667210, 1334420, 1534583, 3069166, 3536213, 6138332, 7072426, 7672915, 14144852, 15345830, 17681065, 30691660, 35362130, 70724260, 81332899, 162665798, 325331596, 406664495, 813328990, 1626657980]

約数ペア:

[(1, 1626657980), (2, 813328990), (4, 406664495), (5, 325331596), (10, 162665798), (20, 81332899), (23, 70724260), (46, 35362130), (53, 30691660), (92, 17681065), (106, 15345830), (115, 14144852), (212, 7672915), (230, 7072426), (265, 6138332), (460, 3536213), (530, 3069166), (1060, 1534583), (1219, 1334420), (2438, 667210), (4876, 333605), (6095, 266884), (12190, 133442), (24380, 66721)]