4009700

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 8809332

約数和(自身を除く): 4799632

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 397, 404, 505, 794, 1010, 1588, 1985, 2020, 2525, 3970, 5050, 7940, 9925, 10100, 19850, 39700, 40097, 80194, 160388, 200485, 400970, 801940, 1002425, 2004850, 4009700]

約数ペア:

[(1, 4009700), (2, 2004850), (4, 1002425), (5, 801940), (10, 400970), (20, 200485), (25, 160388), (50, 80194), (100, 40097), (101, 39700), (202, 19850), (397, 10100), (404, 9925), (505, 7940), (794, 5050), (1010, 3970), (1588, 2525), (1985, 2020)]