39655040

素因数分解:

$2^7\times 5^1\times {\mathrm{61961}}^1$

素因数の和:61980

約数の個数: 32

約数和(自身を含む): 94801860

約数和(自身を除く): 55146820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 61961, 123922, 247844, 309805, 495688, 619610, 991376, 1239220, 1982752, 2478440, 3965504, 4956880, 7931008, 9913760, 19827520, 39655040]

約数ペア:

[(1, 39655040), (2, 19827520), (4, 9913760), (5, 7931008), (8, 4956880), (10, 3965504), (16, 2478440), (20, 1982752), (32, 1239220), (40, 991376), (64, 619610), (80, 495688), (128, 309805), (160, 247844), (320, 123922), (640, 61961)]