211672880

素因数分解:

$2^4\times 5^1\times {\mathrm{2645911}}^1$

素因数の和:2645924

約数の個数: 20

約数和(自身を含む): 492139632

約数和(自身を除く): 280466752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2645911, 5291822, 10583644, 13229555, 21167288, 26459110, 42334576, 52918220, 105836440, 211672880]

約数ペア:

[(1, 211672880), (2, 105836440), (4, 52918220), (5, 42334576), (8, 26459110), (10, 21167288), (16, 13229555), (20, 10583644), (40, 5291822), (80, 2645911)]