20120110900

素因数分解:

$2^2\times 5^2\times {\mathrm{201201109}}^1$

素因数の和:201201123

約数の個数: 18

約数和(自身を含む): 43660640870

約数和(自身を除く): 23540529970

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201201109, 402402218, 804804436, 1006005545, 2012011090, 4024022180, 5030027725, 10060055450, 20120110900]

約数ペア:

[(1, 20120110900), (2, 10060055450), (4, 5030027725), (5, 4024022180), (10, 2012011090), (20, 1006005545), (25, 804804436), (50, 402402218), (100, 201201109)]