1256551270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{64871}}^1$

素因数の和:65040

約数の個数: 32

約数和(自身を含む): 2452161600

約数和(自身を除く): 1195610330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 19370, 64871, 129742, 324355, 648710, 843323, 1686646, 4216615, 8433230, 9665779, 19331558, 48328895, 96657790, 125655127, 251310254, 628275635, 1256551270]

約数ペア:

[(1, 1256551270), (2, 628275635), (5, 251310254), (10, 125655127), (13, 96657790), (26, 48328895), (65, 19331558), (130, 9665779), (149, 8433230), (298, 4216615), (745, 1686646), (1490, 843323), (1937, 648710), (3874, 324355), (9685, 129742), (19370, 64871)]