162772472020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{91445209}}^1$

素因数の和:91445307

約数の個数: 24

約数和(自身を含む): 345662893800

約数和(自身を除く): 182890421780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 91445209, 182890418, 365780836, 457226045, 914452090, 1828904180, 8138623601, 16277247202, 32554494404, 40693118005, 81386236010, 162772472020]

約数ペア:

[(1, 162772472020), (2, 81386236010), (4, 40693118005), (5, 32554494404), (10, 16277247202), (20, 8138623601), (89, 1828904180), (178, 914452090), (356, 457226045), (445, 365780836), (890, 182890418), (1780, 91445209)]