12978950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{8951}}^1$

素因数の和:8992

約数の個数: 24

約数和(自身を含む): 24976080

約数和(自身を除く): 11997130

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 8951, 17902, 44755, 89510, 223775, 259579, 447550, 519158, 1297895, 2595790, 6489475, 12978950]

約数ペア:

[(1, 12978950), (2, 6489475), (5, 2595790), (10, 1297895), (25, 519158), (29, 447550), (50, 259579), (58, 223775), (145, 89510), (290, 44755), (725, 17902), (1450, 8951)]