40840930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{314161}}^1$

素因数の和:314181

約数の個数: 16

約数和(自身を含む): 79168824

約数和(自身を除く): 38327894

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 314161, 628322, 1570805, 3141610, 4084093, 8168186, 20420465, 40840930]

約数ペア:

[(1, 40840930), (2, 20420465), (5, 8168186), (10, 4084093), (13, 3141610), (26, 1570805), (65, 628322), (130, 314161)]