20159280100

素因数分解:

$2^2\times 5^2\times {\mathrm{201592801}}^1$

素因数の和:201592815

約数の個数: 18

約数和(自身を含む): 43745638034

約数和(自身を除く): 23586357934

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201592801, 403185602, 806371204, 1007964005, 2015928010, 4031856020, 5039820025, 10079640050, 20159280100]

約数ペア:

[(1, 20159280100), (2, 10079640050), (4, 5039820025), (5, 4031856020), (10, 2015928010), (20, 1007964005), (25, 806371204), (50, 403185602), (100, 201592801)]