155548240

素因数分解:

$2^4\times 5^1\times {\mathrm{1944353}}^1$

素因数の和:1944366

約数の個数: 20

約数和(自身を含む): 361649844

約数和(自身を除く): 206101604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1944353, 3888706, 7777412, 9721765, 15554824, 19443530, 31109648, 38887060, 77774120, 155548240]

約数ペア:

[(1, 155548240), (2, 77774120), (4, 38887060), (5, 31109648), (8, 19443530), (10, 15554824), (16, 9721765), (20, 7777412), (40, 3888706), (80, 1944353)]