27498640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 69714288

約数和(自身を除く): 42215648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 193, 208, 260, 274, 386, 520, 548, 685, 772, 965, 1040, 1096, 1370, 1544, 1781, 1930, 2192, 2509, 2740, 3088, 3562, 3860, 5018, 5480, 7124, 7720, 8905, 10036, 10960, 12545, 14248, 15440, 17810, 20072, 25090, 26441, 28496, 35620, 40144, 50180, 52882, 71240, 100360, 105764, 132205, 142480, 200720, 211528, 264410, 343733, 423056, 528820, 687466, 1057640, 1374932, 1718665, 2115280, 2749864, 3437330, 5499728, 6874660, 13749320, 27498640]

約数ペア:

[(1, 27498640), (2, 13749320), (4, 6874660), (5, 5499728), (8, 3437330), (10, 2749864), (13, 2115280), (16, 1718665), (20, 1374932), (26, 1057640), (40, 687466), (52, 528820), (65, 423056), (80, 343733), (104, 264410), (130, 211528), (137, 200720), (193, 142480), (208, 132205), (260, 105764), (274, 100360), (386, 71240), (520, 52882), (548, 50180), (685, 40144), (772, 35620), (965, 28496), (1040, 26441), (1096, 25090), (1370, 20072), (1544, 17810), (1781, 15440), (1930, 14248), (2192, 12545), (2509, 10960), (2740, 10036), (3088, 8905), (3562, 7720), (3860, 7124), (5018, 5480)]