28536460

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7883}}^1$

素因数の和:8073

約数の個数: 24

約数和(自身を含む): 60265296

約数和(自身を除く): 31728836

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 7883, 15766, 31532, 39415, 78830, 157660, 1426823, 2853646, 5707292, 7134115, 14268230, 28536460]

約数ペア:

[(1, 28536460), (2, 14268230), (4, 7134115), (5, 5707292), (10, 2853646), (20, 1426823), (181, 157660), (362, 78830), (724, 39415), (905, 31532), (1810, 15766), (3620, 7883)]