12821950

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2539}}^1$

素因数の和:2652

約数の個数: 24

約数和(自身を含む): 24094440

約数和(自身を除く): 11272490

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 505, 1010, 2525, 2539, 5050, 5078, 12695, 25390, 63475, 126950, 256439, 512878, 1282195, 2564390, 6410975, 12821950]

約数ペア:

[(1, 12821950), (2, 6410975), (5, 2564390), (10, 1282195), (25, 512878), (50, 256439), (101, 126950), (202, 63475), (505, 25390), (1010, 12695), (2525, 5078), (2539, 5050)]