415021820

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{47269}}^1$

素因数の和:47717

約数の個数: 24

約数和(自身を含む): 873549600

約数和(自身を除く): 458527780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 47269, 94538, 189076, 236345, 472690, 945380, 20751091, 41502182, 83004364, 103755455, 207510910, 415021820]

約数ペア:

[(1, 415021820), (2, 207510910), (4, 103755455), (5, 83004364), (10, 41502182), (20, 20751091), (439, 945380), (878, 472690), (1756, 236345), (2195, 189076), (4390, 94538), (8780, 47269)]