20348520160

素因数分解:

$2^5\times 5^1\times {\mathrm{127178251}}^1$

素因数の和:127178266

約数の個数: 24

約数和(自身を含む): 48073379256

約数和(自身を除く): 27724859096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127178251, 254356502, 508713004, 635891255, 1017426008, 1271782510, 2034852016, 2543565020, 4069704032, 5087130040, 10174260080, 20348520160]

約数ペア:

[(1, 20348520160), (2, 10174260080), (4, 5087130040), (5, 4069704032), (8, 2543565020), (10, 2034852016), (16, 1271782510), (20, 1017426008), (32, 635891255), (40, 508713004), (80, 254356502), (160, 127178251)]