19896160

素因数分解:

$2^5\times 5^1\times {\mathrm{124351}}^1$

素因数の和:124366

約数の個数: 24

約数和(自身を含む): 47005056

約数和(自身を除く): 27108896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124351, 248702, 497404, 621755, 994808, 1243510, 1989616, 2487020, 3979232, 4974040, 9948080, 19896160]

約数ペア:

[(1, 19896160), (2, 9948080), (4, 4974040), (5, 3979232), (8, 2487020), (10, 1989616), (16, 1243510), (20, 994808), (32, 621755), (40, 497404), (80, 248702), (160, 124351)]