55412420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{395803}}^1$

素因数の和:395819

約数の個数: 24

約数和(自身を含む): 132990144

約数和(自身を除く): 77577724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 395803, 791606, 1583212, 1979015, 2770621, 3958030, 5541242, 7916060, 11082484, 13853105, 27706210, 55412420]

約数ペア:

[(1, 55412420), (2, 27706210), (4, 13853105), (5, 11082484), (7, 7916060), (10, 5541242), (14, 3958030), (20, 2770621), (28, 1979015), (35, 1583212), (70, 791606), (140, 395803)]