28929040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51659}}^1$

素因数の和:51679

約数の個数: 40

約数和(自身を含む): 76870080

約数和(自身を除く): 47941040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51659, 103318, 206636, 258295, 361613, 413272, 516590, 723226, 826544, 1033180, 1446452, 1808065, 2066360, 2892904, 3616130, 4132720, 5785808, 7232260, 14464520, 28929040]

約数ペア:

[(1, 28929040), (2, 14464520), (4, 7232260), (5, 5785808), (7, 4132720), (8, 3616130), (10, 2892904), (14, 2066360), (16, 1808065), (20, 1446452), (28, 1033180), (35, 826544), (40, 723226), (56, 516590), (70, 413272), (80, 361613), (112, 258295), (140, 206636), (280, 103318), (560, 51659)]