161640100

素因数分解:

$2^2\times 5^2\times {\mathrm{1616401}}^1$

素因数の和:1616415

約数の個数: 18

約数和(自身を含む): 350759234

約数和(自身を除く): 189119134

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1616401, 3232802, 6465604, 8082005, 16164010, 32328020, 40410025, 80820050, 161640100]

約数ペア:

[(1, 161640100), (2, 80820050), (4, 40410025), (5, 32328020), (10, 16164010), (20, 8082005), (25, 6465604), (50, 3232802), (100, 1616401)]