2015805580

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1\times {\mathrm{937}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 4264223040

約数和(自身を除く): 2248417460

約数列:

[1, 2, 4, 5, 10, 20, 263, 409, 526, 818, 937, 1052, 1315, 1636, 1874, 2045, 2630, 3748, 4090, 4685, 5260, 8180, 9370, 18740, 107567, 215134, 246431, 383233, 430268, 492862, 537835, 766466, 985724, 1075670, 1232155, 1532932, 1916165, 2151340, 2464310, 3832330, 4928620, 7664660, 100790279, 201580558, 403161116, 503951395, 1007902790, 2015805580]

約数ペア:

[(1, 2015805580), (2, 1007902790), (4, 503951395), (5, 403161116), (10, 201580558), (20, 100790279), (263, 7664660), (409, 4928620), (526, 3832330), (818, 2464310), (937, 2151340), (1052, 1916165), (1315, 1532932), (1636, 1232155), (1874, 1075670), (2045, 985724), (2630, 766466), (3748, 537835), (4090, 492862), (4685, 430268), (5260, 383233), (8180, 246431), (9370, 215134), (18740, 107567)]