164021140

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{28979}}^1$

素因数の和:29271

約数の個数: 24

約数和(自身を含む): 345673440

約数和(自身を除く): 181652300

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 28979, 57958, 115916, 144895, 289790, 579580, 8201057, 16402114, 32804228, 41005285, 82010570, 164021140]

約数ペア:

[(1, 164021140), (2, 82010570), (4, 41005285), (5, 32804228), (10, 16402114), (20, 8201057), (283, 579580), (566, 289790), (1132, 144895), (1415, 115916), (2830, 57958), (5660, 28979)]