1028200100

素因数分解:

$2^2\times 5^2\times {\mathrm{10282001}}^1$

素因数の和:10282015

約数の個数: 18

約数和(自身を含む): 2231194434

約数和(自身を除く): 1202994334

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 10282001, 20564002, 41128004, 51410005, 102820010, 205640020, 257050025, 514100050, 1028200100]

約数ペア:

[(1, 1028200100), (2, 514100050), (4, 257050025), (5, 205640020), (10, 102820010), (20, 51410005), (25, 41128004), (50, 20564002), (100, 10282001)]