1665557440

素因数分解:

$2^6\times 5^1\times {\mathrm{5204867}}^1$

素因数の和:5204884

約数の個数: 28

約数和(自身を含む): 3966109416

約数和(自身を除く): 2300551976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 5204867, 10409734, 20819468, 26024335, 41638936, 52048670, 83277872, 104097340, 166555744, 208194680, 333111488, 416389360, 832778720, 1665557440]

約数ペア:

[(1, 1665557440), (2, 832778720), (4, 416389360), (5, 333111488), (8, 208194680), (10, 166555744), (16, 104097340), (20, 83277872), (32, 52048670), (40, 41638936), (64, 26024335), (80, 20819468), (160, 10409734), (320, 5204867)]