4651121920

素因数分解:

$2^8\times 5^1\times {\mathrm{3633689}}^1$

素因数の和:3633710

約数の個数: 36

約数和(自身を含む): 11140893540

約数和(自身を除く): 6489771620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 3633689, 7267378, 14534756, 18168445, 29069512, 36336890, 58139024, 72673780, 116278048, 145347560, 232556096, 290695120, 465112192, 581390240, 930224384, 1162780480, 2325560960, 4651121920]

約数ペア:

[(1, 4651121920), (2, 2325560960), (4, 1162780480), (5, 930224384), (8, 581390240), (10, 465112192), (16, 290695120), (20, 232556096), (32, 145347560), (40, 116278048), (64, 72673780), (80, 58139024), (128, 36336890), (160, 29069512), (256, 18168445), (320, 14534756), (640, 7267378), (1280, 3633689)]