91672420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{654803}}^1$

素因数の和:654819

約数の個数: 24

約数和(自身を含む): 220014144

約数和(自身を除く): 128341724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 654803, 1309606, 2619212, 3274015, 4583621, 6548030, 9167242, 13096060, 18334484, 22918105, 45836210, 91672420]

約数ペア:

[(1, 91672420), (2, 45836210), (4, 22918105), (5, 18334484), (7, 13096060), (10, 9167242), (14, 6548030), (20, 4583621), (28, 3274015), (35, 2619212), (70, 1309606), (140, 654803)]