28895440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51599}}^1$

素因数の和:51619

約数の個数: 40

約数和(自身を含む): 76780800

約数和(自身を除く): 47885360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51599, 103198, 206396, 257995, 361193, 412792, 515990, 722386, 825584, 1031980, 1444772, 1805965, 2063960, 2889544, 3611930, 4127920, 5779088, 7223860, 14447720, 28895440]

約数ペア:

[(1, 28895440), (2, 14447720), (4, 7223860), (5, 5779088), (7, 4127920), (8, 3611930), (10, 2889544), (14, 2063960), (16, 1805965), (20, 1444772), (28, 1031980), (35, 825584), (40, 722386), (56, 515990), (70, 412792), (80, 361193), (112, 257995), (140, 206396), (280, 103198), (560, 51599)]