81667460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{583339}}^1$

素因数の和:583355

約数の個数: 24

約数和(自身を含む): 196002240

約数和(自身を除く): 114334780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 583339, 1166678, 2333356, 2916695, 4083373, 5833390, 8166746, 11666780, 16333492, 20416865, 40833730, 81667460]

約数ペア:

[(1, 81667460), (2, 40833730), (4, 20416865), (5, 16333492), (7, 11666780), (10, 8166746), (14, 5833390), (20, 4083373), (28, 2916695), (35, 2333356), (70, 1166678), (140, 583339)]