51219380

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{14149}}^1$

素因数の和:14339

約数の個数: 24

約数和(自身を含む): 108162600

約数和(自身を除く): 56943220

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 14149, 28298, 56596, 70745, 141490, 282980, 2560969, 5121938, 10243876, 12804845, 25609690, 51219380]

約数ペア:

[(1, 51219380), (2, 25609690), (4, 12804845), (5, 10243876), (10, 5121938), (20, 2560969), (181, 282980), (362, 141490), (724, 70745), (905, 56596), (1810, 28298), (3620, 14149)]