123969291280

素因数分解:

$2^4\times 5^1\times {\mathrm{1549616141}}^1$

素因数の和:1549616154

約数の個数: 20

約数和(自身を含む): 288228602412

約数和(自身を除く): 164259311132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1549616141, 3099232282, 6198464564, 7748080705, 12396929128, 15496161410, 24793858256, 30992322820, 61984645640, 123969291280]

約数ペア:

[(1, 123969291280), (2, 61984645640), (4, 30992322820), (5, 24793858256), (8, 15496161410), (10, 12396929128), (16, 7748080705), (20, 6198464564), (40, 3099232282), (80, 1549616141)]