2489960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5659}}^1$

素因数の和:5681

約数の個数: 32

約数和(自身を含む): 6112800

約数和(自身を除く): 3622840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 5659, 11318, 22636, 28295, 45272, 56590, 62249, 113180, 124498, 226360, 248996, 311245, 497992, 622490, 1244980, 2489960]

約数ペア:

[(1, 2489960), (2, 1244980), (4, 622490), (5, 497992), (8, 311245), (10, 248996), (11, 226360), (20, 124498), (22, 113180), (40, 62249), (44, 56590), (55, 45272), (88, 28295), (110, 22636), (220, 11318), (440, 5659)]