12922220

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1439}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 27216000

約数和(自身を除く): 14293780

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1439, 1796, 2245, 2878, 4490, 5756, 7195, 8980, 14390, 28780, 646111, 1292222, 2584444, 3230555, 6461110, 12922220]

約数ペア:

[(1, 12922220), (2, 6461110), (4, 3230555), (5, 2584444), (10, 1292222), (20, 646111), (449, 28780), (898, 14390), (1439, 8980), (1796, 7195), (2245, 5756), (2878, 4490)]