12660820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 27941760

約数和(自身を除く): 15280940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 263, 290, 332, 415, 526, 580, 830, 1052, 1315, 1660, 2407, 2630, 4814, 5260, 7627, 9628, 12035, 15254, 21829, 24070, 30508, 38135, 43658, 48140, 76270, 87316, 109145, 152540, 218290, 436580, 633041, 1266082, 2532164, 3165205, 6330410, 12660820]

約数ペア:

[(1, 12660820), (2, 6330410), (4, 3165205), (5, 2532164), (10, 1266082), (20, 633041), (29, 436580), (58, 218290), (83, 152540), (116, 109145), (145, 87316), (166, 76270), (263, 48140), (290, 43658), (332, 38135), (415, 30508), (526, 24070), (580, 21829), (830, 15254), (1052, 12035), (1315, 9628), (1660, 7627), (2407, 5260), (2630, 4814)]