40215536

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{35401}}^1$

素因数の和:35480

約数の個数: 20

約数和(自身を含む): 79017264

約数和(自身を除く): 38801728

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 35401, 70802, 141604, 283208, 566416, 2513471, 5026942, 10053884, 20107768, 40215536]

約数ペア:

[(1, 40215536), (2, 20107768), (4, 10053884), (8, 5026942), (16, 2513471), (71, 566416), (142, 283208), (284, 141604), (568, 70802), (1136, 35401)]