9040100

素因数分解:

$2^2\times 5^2\times {\mathrm{90401}}^1$

素因数の和:90415

約数の個数: 18

約数和(自身を含む): 19617234

約数和(自身を除く): 10577134

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 90401, 180802, 361604, 452005, 904010, 1808020, 2260025, 4520050, 9040100]

約数ペア:

[(1, 9040100), (2, 4520050), (4, 2260025), (5, 1808020), (10, 904010), (20, 452005), (25, 361604), (50, 180802), (100, 90401)]