90847840

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{859}}^1$

素因数の和:1535

約数の個数: 48

約数和(自身を含む): 215202960

約数和(自身を除く): 124355120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 859, 1322, 1718, 2644, 3305, 3436, 4295, 5288, 6610, 6872, 8590, 10576, 13220, 13744, 17180, 21152, 26440, 27488, 34360, 52880, 68720, 105760, 137440, 567799, 1135598, 2271196, 2838995, 4542392, 5677990, 9084784, 11355980, 18169568, 22711960, 45423920, 90847840]

約数ペア:

[(1, 90847840), (2, 45423920), (4, 22711960), (5, 18169568), (8, 11355980), (10, 9084784), (16, 5677990), (20, 4542392), (32, 2838995), (40, 2271196), (80, 1135598), (160, 567799), (661, 137440), (859, 105760), (1322, 68720), (1718, 52880), (2644, 34360), (3305, 27488), (3436, 26440), (4295, 21152), (5288, 17180), (6610, 13744), (6872, 13220), (8590, 10576)]