156915020

素因数分解:

$2^2\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{3917}}^1$

素因数の和:5929

約数の個数: 24

約数和(自身を含む): 329770224

約数和(自身を除く): 172855204

約数列:

[1, 2, 4, 5, 10, 20, 2003, 3917, 4006, 7834, 8012, 10015, 15668, 19585, 20030, 39170, 40060, 78340, 7845751, 15691502, 31383004, 39228755, 78457510, 156915020]

約数ペア:

[(1, 156915020), (2, 78457510), (4, 39228755), (5, 31383004), (10, 15691502), (20, 7845751), (2003, 78340), (3917, 40060), (4006, 39170), (7834, 20030), (8012, 19585), (10015, 15668)]