28257040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50459}}^1$

素因数の和:50479

約数の個数: 40

約数和(自身を含む): 75084480

約数和(自身を除く): 46827440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50459, 100918, 201836, 252295, 353213, 403672, 504590, 706426, 807344, 1009180, 1412852, 1766065, 2018360, 2825704, 3532130, 4036720, 5651408, 7064260, 14128520, 28257040]

約数ペア:

[(1, 28257040), (2, 14128520), (4, 7064260), (5, 5651408), (7, 4036720), (8, 3532130), (10, 2825704), (14, 2018360), (16, 1766065), (20, 1412852), (28, 1009180), (35, 807344), (40, 706426), (56, 504590), (70, 403672), (80, 353213), (112, 252295), (140, 201836), (280, 100918), (560, 50459)]