40956880

素因数分解:

$2^4\times 5^1\times {\mathrm{511961}}^1$

素因数の和:511974

約数の個数: 20

約数和(自身を含む): 95224932

約数和(自身を除く): 54268052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 511961, 1023922, 2047844, 2559805, 4095688, 5119610, 8191376, 10239220, 20478440, 40956880]

約数ペア:

[(1, 40956880), (2, 20478440), (4, 10239220), (5, 8191376), (8, 5119610), (10, 4095688), (16, 2559805), (20, 2047844), (40, 1023922), (80, 511961)]