201211966520

素因数分解:

$2^3\times 5^1\times {\mathrm{5030299163}}^1$

素因数の和:5030299174

約数の個数: 16

約数和(自身を含む): 452726924760

約数和(自身を除く): 251514958240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5030299163, 10060598326, 20121196652, 25151495815, 40242393304, 50302991630, 100605983260, 201211966520]

約数ペア:

[(1, 201211966520), (2, 100605983260), (4, 50302991630), (5, 40242393304), (8, 25151495815), (10, 20121196652), (20, 10060598326), (40, 5030299163)]