18980080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33893}}^1$

素因数の和:33913

約数の個数: 40

約数和(自身を含む): 50434272

約数和(自身を除く): 31454192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33893, 67786, 135572, 169465, 237251, 271144, 338930, 474502, 542288, 677860, 949004, 1186255, 1355720, 1898008, 2372510, 2711440, 3796016, 4745020, 9490040, 18980080]

約数ペア:

[(1, 18980080), (2, 9490040), (4, 4745020), (5, 3796016), (7, 2711440), (8, 2372510), (10, 1898008), (14, 1355720), (16, 1186255), (20, 949004), (28, 677860), (35, 542288), (40, 474502), (56, 338930), (70, 271144), (80, 237251), (112, 169465), (140, 135572), (280, 67786), (560, 33893)]