128224185220

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{5208131}}^1$

素因数の和:5209371

約数の個数: 24

約数和(自身を含む): 269489582208

約数和(自身を除く): 141265396988

約数列:

[1, 2, 4, 5, 10, 20, 1231, 2462, 4924, 6155, 12310, 24620, 5208131, 10416262, 20832524, 26040655, 52081310, 104162620, 6411209261, 12822418522, 25644837044, 32056046305, 64112092610, 128224185220]

約数ペア:

[(1, 128224185220), (2, 64112092610), (4, 32056046305), (5, 25644837044), (10, 12822418522), (20, 6411209261), (1231, 104162620), (2462, 52081310), (4924, 26040655), (6155, 20832524), (12310, 10416262), (24620, 5208131)]