42640100

素因数分解:

$2^2\times 5^2\times {\mathrm{426401}}^1$

素因数の和:426415

約数の個数: 18

約数和(自身を含む): 92529234

約数和(自身を除く): 49889134

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 426401, 852802, 1705604, 2132005, 4264010, 8528020, 10660025, 21320050, 42640100]

約数ペア:

[(1, 42640100), (2, 21320050), (4, 10660025), (5, 8528020), (10, 4264010), (20, 2132005), (25, 1705604), (50, 852802), (100, 426401)]