161384680

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{8423}}^1$

素因数の和:8913

約数の個数: 32

約数和(自身を含む): 363916800

約数和(自身を除く): 202532120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 8423, 9580, 16846, 19160, 33692, 42115, 67384, 84230, 168460, 336920, 4034617, 8069234, 16138468, 20173085, 32276936, 40346170, 80692340, 161384680]

約数ペア:

[(1, 161384680), (2, 80692340), (4, 40346170), (5, 32276936), (8, 20173085), (10, 16138468), (20, 8069234), (40, 4034617), (479, 336920), (958, 168460), (1916, 84230), (2395, 67384), (3832, 42115), (4790, 33692), (8423, 19160), (9580, 16846)]