201211960

素因数分解:

$2^3\times 5^1\times {\mathrm{5030299}}^1$

素因数の和:5030310

約数の個数: 16

約数和(自身を含む): 452727000

約数和(自身を除く): 251515040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5030299, 10060598, 20121196, 25151495, 40242392, 50302990, 100605980, 201211960]

約数ペア:

[(1, 201211960), (2, 100605980), (4, 50302990), (5, 40242392), (8, 25151495), (10, 20121196), (20, 10060598), (40, 5030299)]