4280080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{7643}}^1$

素因数の和:7663

約数の個数: 40

約数和(自身を含む): 11374272

約数和(自身を除く): 7094192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 7643, 15286, 30572, 38215, 53501, 61144, 76430, 107002, 122288, 152860, 214004, 267505, 305720, 428008, 535010, 611440, 856016, 1070020, 2140040, 4280080]

約数ペア:

[(1, 4280080), (2, 2140040), (4, 1070020), (5, 856016), (7, 611440), (8, 535010), (10, 428008), (14, 305720), (16, 267505), (20, 214004), (28, 152860), (35, 122288), (40, 107002), (56, 76430), (70, 61144), (80, 53501), (112, 38215), (140, 30572), (280, 15286), (560, 7643)]