38728420

素因数分解:

$2^2\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{1493}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 81446904

約数和(自身を除く): 42718484

約数列:

[1, 2, 4, 5, 10, 20, 1297, 1493, 2594, 2986, 5188, 5972, 6485, 7465, 12970, 14930, 25940, 29860, 1936421, 3872842, 7745684, 9682105, 19364210, 38728420]

約数ペア:

[(1, 38728420), (2, 19364210), (4, 9682105), (5, 7745684), (10, 3872842), (20, 1936421), (1297, 29860), (1493, 25940), (2594, 14930), (2986, 12970), (5188, 7465), (5972, 6485)]