9964880

素因数分解:

$2^4\times 5^1\times {\mathrm{124561}}^1$

素因数の和:124574

約数の個数: 20

約数和(自身を含む): 23168532

約数和(自身を除く): 13203652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124561, 249122, 498244, 622805, 996488, 1245610, 1992976, 2491220, 4982440, 9964880]

約数ペア:

[(1, 9964880), (2, 4982440), (4, 2491220), (5, 1992976), (8, 1245610), (10, 996488), (16, 622805), (20, 498244), (40, 249122), (80, 124561)]