42549890

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{3301}}^1$

素因数の和:4597

約数の個数: 16

約数和(自身を含む): 76672440

約数和(自身を除く): 34122550

約数列:

[1, 2, 5, 10, 1289, 2578, 3301, 6445, 6602, 12890, 16505, 33010, 4254989, 8509978, 21274945, 42549890]

約数ペア:

[(1, 42549890), (2, 21274945), (5, 8509978), (10, 4254989), (1289, 33010), (2578, 16505), (3301, 12890), (6445, 6602)]