2718440

素因数分解:

$2^3\times 5^1\times {\mathrm{67961}}^1$

素因数の和:67972

約数の個数: 16

約数和(自身を含む): 6116580

約数和(自身を除く): 3398140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67961, 135922, 271844, 339805, 543688, 679610, 1359220, 2718440]

約数ペア:

[(1, 2718440), (2, 1359220), (4, 679610), (5, 543688), (8, 339805), (10, 271844), (20, 135922), (40, 67961)]