40722448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{195781}}^1$

素因数の和:195802

約数の個数: 20

約数和(自身を含む): 84969388

約数和(自身を除く): 44246940

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 195781, 391562, 783124, 1566248, 2545153, 3132496, 5090306, 10180612, 20361224, 40722448]

約数ペア:

[(1, 40722448), (2, 20361224), (4, 10180612), (8, 5090306), (13, 3132496), (16, 2545153), (26, 1566248), (52, 783124), (104, 391562), (208, 195781)]