138264880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132947}}^1$

素因数の和:132973

約数の個数: 40

約数和(自身を含む): 346196592

約数和(自身を除く): 207931712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 132947, 265894, 531788, 664735, 1063576, 1329470, 1728311, 2127152, 2658940, 3456622, 5317880, 6913244, 8641555, 10635760, 13826488, 17283110, 27652976, 34566220, 69132440, 138264880]

約数ペア:

[(1, 138264880), (2, 69132440), (4, 34566220), (5, 27652976), (8, 17283110), (10, 13826488), (13, 10635760), (16, 8641555), (20, 6913244), (26, 5317880), (40, 3456622), (52, 2658940), (65, 2127152), (80, 1728311), (104, 1329470), (130, 1063576), (208, 664735), (260, 531788), (520, 265894), (1040, 132947)]