26419760

素因数分解:

$2^4\times 5^1\times {\mathrm{330247}}^1$

素因数の和:330260

約数の個数: 20

約数和(自身を含む): 61426128

約数和(自身を除く): 35006368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 330247, 660494, 1320988, 1651235, 2641976, 3302470, 5283952, 6604940, 13209880, 26419760]

約数ペア:

[(1, 26419760), (2, 13209880), (4, 6604940), (5, 5283952), (8, 3302470), (10, 2641976), (16, 1651235), (20, 1320988), (40, 660494), (80, 330247)]