2020463320

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{397729}}^1$

素因数の和:397867

約数の個数: 32

約数和(自身を含む): 4581849600

約数和(自身を除く): 2561386280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 397729, 795458, 1590916, 1988645, 3181832, 3977290, 7954580, 15909160, 50511583, 101023166, 202046332, 252557915, 404092664, 505115830, 1010231660, 2020463320]

約数ペア:

[(1, 2020463320), (2, 1010231660), (4, 505115830), (5, 404092664), (8, 252557915), (10, 202046332), (20, 101023166), (40, 50511583), (127, 15909160), (254, 7954580), (508, 3977290), (635, 3181832), (1016, 1988645), (1270, 1590916), (2540, 795458), (5080, 397729)]