61129540

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{3643}}^1$

素因数の和:4491

約数の個数: 24

約数和(自身を含む): 128560320

約数和(自身を除く): 67430780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 3356, 3643, 4195, 7286, 8390, 14572, 16780, 18215, 36430, 72860, 3056477, 6112954, 12225908, 15282385, 30564770, 61129540]

約数ペア:

[(1, 61129540), (2, 30564770), (4, 15282385), (5, 12225908), (10, 6112954), (20, 3056477), (839, 72860), (1678, 36430), (3356, 18215), (3643, 16780), (4195, 14572), (7286, 8390)]