2643820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1973}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 5637744

約数和(自身を除く): 2993924

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 1973, 3946, 7892, 9865, 19730, 39460, 132191, 264382, 528764, 660955, 1321910, 2643820]

約数ペア:

[(1, 2643820), (2, 1321910), (4, 660955), (5, 528764), (10, 264382), (20, 132191), (67, 39460), (134, 19730), (268, 9865), (335, 7892), (670, 3946), (1340, 1973)]