2019540100

素因数分解:

$2^2\times 5^2\times {\mathrm{20195401}}^1$

素因数の和:20195415

約数の個数: 18

約数和(自身を含む): 4382402234

約数和(自身を除く): 2362862134

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20195401, 40390802, 80781604, 100977005, 201954010, 403908020, 504885025, 1009770050, 2019540100]

約数ペア:

[(1, 2019540100), (2, 1009770050), (4, 504885025), (5, 403908020), (10, 201954010), (20, 100977005), (25, 80781604), (50, 40390802), (100, 20195401)]