26122820

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2909}}^1$

素因数の和:3367

約数の個数: 24

約数和(自身を含む): 54999000

約数和(自身を除く): 28876180

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 2909, 4490, 5818, 8980, 11636, 14545, 29090, 58180, 1306141, 2612282, 5224564, 6530705, 13061410, 26122820]

約数ペア:

[(1, 26122820), (2, 13061410), (4, 6530705), (5, 5224564), (10, 2612282), (20, 1306141), (449, 58180), (898, 29090), (1796, 14545), (2245, 11636), (2909, 8980), (4490, 5818)]