173838640

素因数分解:

$2^4\times 5^1\times {\mathrm{2172983}}^1$

素因数の和:2172996

約数の個数: 20

約数和(自身を含む): 404175024

約数和(自身を除く): 230336384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2172983, 4345966, 8691932, 10864915, 17383864, 21729830, 34767728, 43459660, 86919320, 173838640]

約数ペア:

[(1, 173838640), (2, 86919320), (4, 43459660), (5, 34767728), (8, 21729830), (10, 17383864), (16, 10864915), (20, 8691932), (40, 4345966), (80, 2172983)]