51690440

素因数分解:

$2^3\times 5^1\times {\mathrm{1292261}}^1$

素因数の和:1292272

約数の個数: 16

約数和(自身を含む): 116303580

約数和(自身を除く): 64613140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1292261, 2584522, 5169044, 6461305, 10338088, 12922610, 25845220, 51690440]

約数ペア:

[(1, 51690440), (2, 25845220), (4, 12922610), (5, 10338088), (8, 6461305), (10, 5169044), (20, 2584522), (40, 1292261)]