53947700

素因数分解:

$2^2\times 5^2\times {\mathrm{643}}^1\times {\mathrm{839}}^1$

素因数の和:1496

約数の個数: 36

約数和(自身を含む): 117388320

約数和(自身を除く): 63440620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 643, 839, 1286, 1678, 2572, 3215, 3356, 4195, 6430, 8390, 12860, 16075, 16780, 20975, 32150, 41950, 64300, 83900, 539477, 1078954, 2157908, 2697385, 5394770, 10789540, 13486925, 26973850, 53947700]

約数ペア:

[(1, 53947700), (2, 26973850), (4, 13486925), (5, 10789540), (10, 5394770), (20, 2697385), (25, 2157908), (50, 1078954), (100, 539477), (643, 83900), (839, 64300), (1286, 41950), (1678, 32150), (2572, 20975), (3215, 16780), (3356, 16075), (4195, 12860), (6430, 8390)]