40321690

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{16871}}^1$

素因数の和:17117

約数の個数: 16

約数和(自身を含む): 72887040

約数和(自身を除く): 32565350

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 16871, 33742, 84355, 168710, 4032169, 8064338, 20160845, 40321690]

約数ペア:

[(1, 40321690), (2, 20160845), (5, 8064338), (10, 4032169), (239, 168710), (478, 84355), (1195, 33742), (2390, 16871)]