40672208

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{35803}}^1$

素因数の和:35882

約数の個数: 20

約数和(自身を含む): 79914528

約数和(自身を除く): 39242320

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 35803, 71606, 143212, 286424, 572848, 2542013, 5084026, 10168052, 20336104, 40672208]

約数ペア:

[(1, 40672208), (2, 20336104), (4, 10168052), (8, 5084026), (16, 2542013), (71, 572848), (142, 286424), (284, 143212), (568, 71606), (1136, 35803)]