4213640

素因数分解:

$2^3\times 5^1\times {\mathrm{105341}}^1$

素因数の和:105352

約数の個数: 16

約数和(自身を含む): 9480780

約数和(自身を除く): 5267140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 105341, 210682, 421364, 526705, 842728, 1053410, 2106820, 4213640]

約数ペア:

[(1, 4213640), (2, 2106820), (4, 1053410), (5, 842728), (8, 526705), (10, 421364), (20, 210682), (40, 105341)]