16161920

素因数分解:

$2^7\times 5^1\times {\mathrm{25253}}^1$

素因数の和:25272

約数の個数: 32

約数和(自身を含む): 38638620

約数和(自身を除く): 22476700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 25253, 50506, 101012, 126265, 202024, 252530, 404048, 505060, 808096, 1010120, 1616192, 2020240, 3232384, 4040480, 8080960, 16161920]

約数ペア:

[(1, 16161920), (2, 8080960), (4, 4040480), (5, 3232384), (8, 2020240), (10, 1616192), (16, 1010120), (20, 808096), (32, 505060), (40, 404048), (64, 252530), (80, 202024), (128, 126265), (160, 101012), (320, 50506), (640, 25253)]