90957040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 219102048

約数和(自身を除く): 128145008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 137, 172, 193, 215, 274, 344, 386, 430, 548, 685, 688, 772, 860, 965, 1096, 1370, 1544, 1720, 1930, 2192, 2740, 3088, 3440, 3860, 5480, 5891, 7720, 8299, 10960, 11782, 15440, 16598, 23564, 26441, 29455, 33196, 41495, 47128, 52882, 58910, 66392, 82990, 94256, 105764, 117820, 132205, 132784, 165980, 211528, 235640, 264410, 331960, 423056, 471280, 528820, 663920, 1057640, 1136963, 2115280, 2273926, 4547852, 5684815, 9095704, 11369630, 18191408, 22739260, 45478520, 90957040]

約数ペア:

[(1, 90957040), (2, 45478520), (4, 22739260), (5, 18191408), (8, 11369630), (10, 9095704), (16, 5684815), (20, 4547852), (40, 2273926), (43, 2115280), (80, 1136963), (86, 1057640), (137, 663920), (172, 528820), (193, 471280), (215, 423056), (274, 331960), (344, 264410), (386, 235640), (430, 211528), (548, 165980), (685, 132784), (688, 132205), (772, 117820), (860, 105764), (965, 94256), (1096, 82990), (1370, 66392), (1544, 58910), (1720, 52882), (1930, 47128), (2192, 41495), (2740, 33196), (3088, 29455), (3440, 26441), (3860, 23564), (5480, 16598), (5891, 15440), (7720, 11782), (8299, 10960)]