4064290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21391}}^1$

素因数の和:21417

約数の個数: 16

約数和(自身を含む): 7701120

約数和(自身を除く): 3636830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 21391, 42782, 106955, 213910, 406429, 812858, 2032145, 4064290]

約数ペア:

[(1, 4064290), (2, 2032145), (5, 812858), (10, 406429), (19, 213910), (38, 106955), (95, 42782), (190, 21391)]