19835840

素因数分解:

$2^6\times 5^1\times {\mathrm{61987}}^1$

素因数の和:62004

約数の個数: 28

約数和(自身を含む): 47234856

約数和(自身を除く): 27399016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61987, 123974, 247948, 309935, 495896, 619870, 991792, 1239740, 1983584, 2479480, 3967168, 4958960, 9917920, 19835840]

約数ペア:

[(1, 19835840), (2, 9917920), (4, 4958960), (5, 3967168), (8, 2479480), (10, 1983584), (16, 1239740), (20, 991792), (32, 619870), (40, 495896), (64, 309935), (80, 247948), (160, 123974), (320, 61987)]