40590416

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{35731}}^1$

素因数の和:35810

約数の個数: 20

約数和(自身を含む): 79753824

約数和(自身を除く): 39163408

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 35731, 71462, 142924, 285848, 571696, 2536901, 5073802, 10147604, 20295208, 40590416]

約数ペア:

[(1, 40590416), (2, 20295208), (4, 10147604), (8, 5073802), (16, 2536901), (71, 571696), (142, 285848), (284, 142924), (568, 71462), (1136, 35731)]