9919280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17713}}^1$

素因数の和:17733

約数の個数: 40

約数和(自身を含む): 26358432

約数和(自身を除く): 16439152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 17713, 35426, 70852, 88565, 123991, 141704, 177130, 247982, 283408, 354260, 495964, 619955, 708520, 991928, 1239910, 1417040, 1983856, 2479820, 4959640, 9919280]

約数ペア:

[(1, 9919280), (2, 4959640), (4, 2479820), (5, 1983856), (7, 1417040), (8, 1239910), (10, 991928), (14, 708520), (16, 619955), (20, 495964), (28, 354260), (35, 283408), (40, 247982), (56, 177130), (70, 141704), (80, 123991), (112, 88565), (140, 70852), (280, 35426), (560, 17713)]