28936880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51673}}^1$

素因数の和:51693

約数の個数: 40

約数和(自身を含む): 76890912

約数和(自身を除く): 47954032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51673, 103346, 206692, 258365, 361711, 413384, 516730, 723422, 826768, 1033460, 1446844, 1808555, 2066920, 2893688, 3617110, 4133840, 5787376, 7234220, 14468440, 28936880]

約数ペア:

[(1, 28936880), (2, 14468440), (4, 7234220), (5, 5787376), (7, 4133840), (8, 3617110), (10, 2893688), (14, 2066920), (16, 1808555), (20, 1446844), (28, 1033460), (35, 826768), (40, 723422), (56, 516730), (70, 413384), (80, 361711), (112, 258365), (140, 206692), (280, 103346), (560, 51673)]