71957440

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2063}}^1$

素因数の和:2189

約数の個数: 56

約数和(自身を含む): 173004480

約数和(自身を除く): 101047040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2063, 2180, 3488, 4126, 4360, 6976, 8252, 8720, 10315, 16504, 17440, 20630, 33008, 34880, 41260, 66016, 82520, 132032, 165040, 224867, 330080, 449734, 660160, 899468, 1124335, 1798936, 2248670, 3597872, 4497340, 7195744, 8994680, 14391488, 17989360, 35978720, 71957440]

約数ペア:

[(1, 71957440), (2, 35978720), (4, 17989360), (5, 14391488), (8, 8994680), (10, 7195744), (16, 4497340), (20, 3597872), (32, 2248670), (40, 1798936), (64, 1124335), (80, 899468), (109, 660160), (160, 449734), (218, 330080), (320, 224867), (436, 165040), (545, 132032), (872, 82520), (1090, 66016), (1744, 41260), (2063, 34880), (2180, 33008), (3488, 20630), (4126, 17440), (4360, 16504), (6976, 10315), (8252, 8720)]