28940240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51679}}^1$

素因数の和:51699

約数の個数: 40

約数和(自身を含む): 76899840

約数和(自身を除く): 47959600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51679, 103358, 206716, 258395, 361753, 413432, 516790, 723506, 826864, 1033580, 1447012, 1808765, 2067160, 2894024, 3617530, 4134320, 5788048, 7235060, 14470120, 28940240]

約数ペア:

[(1, 28940240), (2, 14470120), (4, 7235060), (5, 5788048), (7, 4134320), (8, 3617530), (10, 2894024), (14, 2067160), (16, 1808765), (20, 1447012), (28, 1033580), (35, 826864), (40, 723506), (56, 516790), (70, 413432), (80, 361753), (112, 258395), (140, 206716), (280, 103358), (560, 51679)]