81535550

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{11903}}^1$

素因数の和:12052

約数の個数: 24

約数和(自身を含む): 152775936

約数和(自身を除く): 71240386

約数列:

[1, 2, 5, 10, 25, 50, 137, 274, 685, 1370, 3425, 6850, 11903, 23806, 59515, 119030, 297575, 595150, 1630711, 3261422, 8153555, 16307110, 40767775, 81535550]

約数ペア:

[(1, 81535550), (2, 40767775), (5, 16307110), (10, 8153555), (25, 3261422), (50, 1630711), (137, 595150), (274, 297575), (685, 119030), (1370, 59515), (3425, 23806), (6850, 11903)]