2721920

素因数分解:

$2^7\times 5^1\times {\mathrm{4253}}^1$

素因数の和:4272

約数の個数: 32

約数和(自身を含む): 6508620

約数和(自身を除く): 3786700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4253, 8506, 17012, 21265, 34024, 42530, 68048, 85060, 136096, 170120, 272192, 340240, 544384, 680480, 1360960, 2721920]

約数ペア:

[(1, 2721920), (2, 1360960), (4, 680480), (5, 544384), (8, 340240), (10, 272192), (16, 170120), (20, 136096), (32, 85060), (40, 68048), (64, 42530), (80, 34024), (128, 21265), (160, 17012), (320, 8506), (640, 4253)]